CVE-2025-11187

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-11187", "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "state": "PUBLISHED", "assignerShortName": "openssl", "dateReserved": "2025-09-30T09:29:44.018Z", "datePublished": "2026-01-27T15:59:41.681Z", "dateUpdated": "2026-03-20T14:07:14.610Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "OpenSSL", "vendor": "OpenSSL", "versions": [{"lessThan": "3.6.1", "status": "affected", "version": "3.6.0", "versionType": "semver"}, {"lessThan": "3.5.5", "status": "affected", "version": "3.5.0", "versionType": "semver"}, {"lessThan": "3.4.4", "status": "affected", "version": "3.4.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Stanislav Fort (Aisle Research)"}, {"lang": "en", "type": "reporter", "value": "Petr \u0160ime\u010dek (Aisle Research)"}, {"lang": "en", "type": "reporter", "value": "Hamza (Metadust)"}, {"lang": "en", "type": "remediation developer", "value": "Tom\u00e1\u0161 Mr\u00e1z"}], "datePublic": "2026-01-27T14:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Issue summary: PBMAC1 parameters in PKCS#12 files are missing validation<br>which can trigger a stack-based buffer overflow, invalid pointer or NULL<br>pointer dereference during MAC verification.<br><br>Impact summary: The stack buffer overflow or NULL pointer dereference may<br>cause a crash leading to Denial of Service for an application that parses<br>untrusted PKCS#12 files. The buffer overflow may also potentially enable<br>code execution depending on platform mitigations.<br><br>When verifying a PKCS#12 file that uses PBMAC1 for the MAC, the PBKDF2<br>salt and keylength parameters from the file are used without validation.<br>If the value of keylength exceeds the size of the fixed stack buffer used<br>for the derived key (64 bytes), the key derivation will overflow the buffer.<br>The overflow length is attacker-controlled. Also, if the salt parameter is<br>not an OCTET STRING type this can lead to invalid or NULL pointer<br>dereference.<br><br>Exploiting this issue requires a user or application to process<br>a maliciously crafted PKCS#12 file. It is uncommon to accept untrusted<br>PKCS#12 files in applications as they are usually used to store private<br>keys which are trusted by definition. For this reason the issue was assessed<br>as Moderate severity.<br><br>The FIPS modules in 3.6, 3.5 and 3.4 are not affected by this issue, as<br>PKCS#12 processing is outside the OpenSSL FIPS module boundary.<br><br>OpenSSL 3.6, 3.5 and 3.4 are vulnerable to this issue.<br><br>OpenSSL 3.3, 3.0, 1.1.1 and 1.0.2 are not affected by this issue as they do<br>not support PBMAC1 in PKCS#12."}], "value": "Issue summary: PBMAC1 parameters in PKCS#12 files are missing validation\nwhich can trigger a stack-based buffer overflow, invalid pointer or NULL\npointer dereference during MAC verification.\n\nImpact summary: The stack buffer overflow or NULL pointer dereference may\ncause a crash leading to Denial of Service for an application that parses\nuntrusted PKCS#12 files. The buffer overflow may also potentially enable\ncode execution depending on platform mitigations.\n\nWhen verifying a PKCS#12 file that uses PBMAC1 for the MAC, the PBKDF2\nsalt and keylength parameters from the file are used without validation.\nIf the value of keylength exceeds the size of the fixed stack buffer used\nfor the derived key (64 bytes), the key derivation will overflow the buffer.\nThe overflow length is attacker-controlled. Also, if the salt parameter is\nnot an OCTET STRING type this can lead to invalid or NULL pointer\ndereference.\n\nExploiting this issue requires a user or application to process\na maliciously crafted PKCS#12 file. It is uncommon to accept untrusted\nPKCS#12 files in applications as they are usually used to store private\nkeys which are trusted by definition. For this reason the issue was assessed\nas Moderate severity.\n\nThe FIPS modules in 3.6, 3.5 and 3.4 are not affected by this issue, as\nPKCS#12 processing is outside the OpenSSL FIPS module boundary.\n\nOpenSSL 3.6, 3.5 and 3.4 are vulnerable to this issue.\n\nOpenSSL 3.3, 3.0, 1.1.1 and 1.0.2 are not affected by this issue as they do\nnot support PBMAC1 in PKCS#12."}], "metrics": [{"format": "other", "other": {"content": {"text": "Moderate"}, "type": "https://openssl-library.org/policies/general/security-policy/"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write", "lang": "en", "type": "CWE"}, {"cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "shortName": "openssl", "dateUpdated": "2026-01-27T15:59:41.681Z"}, "references": [{"name": "OpenSSL Advisory", "tags": ["vendor-advisory"], "url": "https://openssl-library.org/news/secadv/20260127.txt"}, {"name": "3.6.1 git commit", "tags": ["patch"], "url": "https://github.com/openssl/openssl/commit/8caf359d6e46fb413e8f5f0df765d2e8a51df4e8"}, {"name": "3.5.5 git commit", "tags": ["patch"], "url": "https://github.com/openssl/openssl/commit/e1079bc17ed93ff16f6b86f33a2fe3336e78817e"}, {"name": "3.4.4 git commit", "tags": ["patch"], "url": "https://github.com/openssl/openssl/commit/205e3a55e16e4bd08c12fdbd3416ab829c0f6206"}], "source": {"discovery": "UNKNOWN"}, "title": "Improper validation of PBMAC1 parameters in PKCS#12 MAC verification", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"references": [{"url": "https://github.com/metadust/CVE-2025-11187", "tags": ["exploit"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-03-20T03:55:43.625386Z", "id": "CVE-2025-11187", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-20T14:07:14.610Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-11187", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-03-20T03:55:43.625386Z"}}}], "references": [{"url": "https://github.com/metadust/CVE-2025-11187", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-29T14:48:24.057Z"}}], "cna": {"title": "Improper validation of PBMAC1 parameters in PKCS#12 MAC verification", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "reporter", "value": "Stanislav Fort (Aisle Research)"}, {"lang": "en", "type": "reporter", "value": "Petr \u0160ime\u010dek (Aisle Research)"}, {"lang": "en", "type": "reporter", "value": "Hamza (Metadust)"}, {"lang": "en", "type": "remediation developer", "value": "Tom\u00e1\u0161 Mr\u00e1z"}], "metrics": [{"other": {"type": "https://openssl-library.org/policies/general/security-policy/", "content": {"text": "Moderate"}}, "format": "other"}], "affected": [{"vendor": "OpenSSL", "product": "OpenSSL", "versions": [{"status": "affected", "version": "3.6.0", "lessThan": "3.6.1", "versionType": "semver"}, {"status": "affected", "version": "3.5.0", "lessThan": "3.5.5", "versionType": "semver"}, {"status": "affected", "version": "3.4.0", "lessThan": "3.4.4", "versionType": "semver"}], "defaultStatus": "unaffected"}], "datePublic": "2026-01-27T14:00:00.000Z", "references": [{"url": "https://openssl-library.org/news/secadv/20260127.txt", "name": "OpenSSL Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/openssl/openssl/commit/8caf359d6e46fb413e8f5f0df765d2e8a51df4e8", "name": "3.6.1 git commit", "tags": ["patch"]}, {"url": "https://github.com/openssl/openssl/commit/e1079bc17ed93ff16f6b86f33a2fe3336e78817e", "name": "3.5.5 git commit", "tags": ["patch"]}, {"url": "https://github.com/openssl/openssl/commit/205e3a55e16e4bd08c12fdbd3416ab829c0f6206", "name": "3.4.4 git commit", "tags": ["patch"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Issue summary: PBMAC1 parameters in PKCS#12 files are missing validation\nwhich can trigger a stack-based buffer overflow, invalid pointer or NULL\npointer dereference during MAC verification.\n\nImpact summary: The stack buffer overflow or NULL pointer dereference may\ncause a crash leading to Denial of Service for an application that parses\nuntrusted PKCS#12 files. The buffer overflow may also potentially enable\ncode execution depending on platform mitigations.\n\nWhen verifying a PKCS#12 file that uses PBMAC1 for the MAC, the PBKDF2\nsalt and keylength parameters from the file are used without validation.\nIf the value of keylength exceeds the size of the fixed stack buffer used\nfor the derived key (64 bytes), the key derivation will overflow the buffer.\nThe overflow length is attacker-controlled. Also, if the salt parameter is\nnot an OCTET STRING type this can lead to invalid or NULL pointer\ndereference.\n\nExploiting this issue requires a user or application to process\na maliciously crafted PKCS#12 file. It is uncommon to accept untrusted\nPKCS#12 files in applications as they are usually used to store private\nkeys which are trusted by definition. For this reason the issue was assessed\nas Moderate severity.\n\nThe FIPS modules in 3.6, 3.5 and 3.4 are not affected by this issue, as\nPKCS#12 processing is outside the OpenSSL FIPS module boundary.\n\nOpenSSL 3.6, 3.5 and 3.4 are vulnerable to this issue.\n\nOpenSSL 3.3, 3.0, 1.1.1 and 1.0.2 are not affected by this issue as they do\nnot support PBMAC1 in PKCS#12.", "supportingMedia": [{"type": "text/html", "value": "Issue summary: PBMAC1 parameters in PKCS#12 files are missing validation<br>which can trigger a stack-based buffer overflow, invalid pointer or NULL<br>pointer dereference during MAC verification.<br><br>Impact summary: The stack buffer overflow or NULL pointer dereference may<br>cause a crash leading to Denial of Service for an application that parses<br>untrusted PKCS#12 files. The buffer overflow may also potentially enable<br>code execution depending on platform mitigations.<br><br>When verifying a PKCS#12 file that uses PBMAC1 for the MAC, the PBKDF2<br>salt and keylength parameters from the file are used without validation.<br>If the value of keylength exceeds the size of the fixed stack buffer used<br>for the derived key (64 bytes), the key derivation will overflow the buffer.<br>The overflow length is attacker-controlled. Also, if the salt parameter is<br>not an OCTET STRING type this can lead to invalid or NULL pointer<br>dereference.<br><br>Exploiting this issue requires a user or application to process<br>a maliciously crafted PKCS#12 file. It is uncommon to accept untrusted<br>PKCS#12 files in applications as they are usually used to store private<br>keys which are trusted by definition. For this reason the issue was assessed<br>as Moderate severity.<br><br>The FIPS modules in 3.6, 3.5 and 3.4 are not affected by this issue, as<br>PKCS#12 processing is outside the OpenSSL FIPS module boundary.<br><br>OpenSSL 3.6, 3.5 and 3.4 are vulnerable to this issue.<br><br>OpenSSL 3.3, 3.0, 1.1.1 and 1.0.2 are not affected by this issue as they do<br>not support PBMAC1 in PKCS#12.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}, {"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference"}]}], "providerMetadata": {"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "shortName": "openssl", "dateUpdated": "2026-01-27T15:59:41.681Z"}}}, "cveMetadata": {"cveId": "CVE-2025-11187", "state": "PUBLISHED", "dateUpdated": "2026-03-20T14:07:14.610Z", "dateReserved": "2025-09-30T09:29:44.018Z", "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "datePublished": "2026-01-27T15:59:41.681Z", "assignerShortName": "openssl"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "OpenSSL", "vendor": "OpenSSL", "versions": [{"lessThan": "3.6.1", "status": "affected", "version": "3.6.0", "versionType": "semver"}, {"lessThan": "3.5.5", "status": "affected", "version": "3.5.0", "versionType": "semver"}, {"lessThan": "3.4.4", "status": "affected", "version": "3.4.0", "versionType": "semver"}]}], "source": "openssl-security@openssl.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "matchCriteriaId": "B9D3DCAE-317D-4DFB-93F0-7A235A229619", "versionEndExcluding": "3.4.4", "versionStartIncluding": "3.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "matchCriteriaId": "1CAC7CBE-EC03-4089-938A-0CEEB2E09B62", "versionEndExcluding": "3.5.5", "versionStartIncluding": "3.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "matchCriteriaId": "68352537-5E99-4F4D-B78A-BCF0353A70A5", "versionEndExcluding": "3.6.1", "versionStartIncluding": "3.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Issue summary: PBMAC1 parameters in PKCS#12 files are missing validation\nwhich can trigger a stack-based buffer overflow, invalid pointer or NULL\npointer dereference during MAC verification.\n\nImpact summary: The stack buffer overflow or NULL pointer dereference may\ncause a crash leading to Denial of Service for an application that parses\nuntrusted PKCS#12 files. The buffer overflow may also potentially enable\ncode execution depending on platform mitigations.\n\nWhen verifying a PKCS#12 file that uses PBMAC1 for the MAC, the PBKDF2\nsalt and keylength parameters from the file are used without validation.\nIf the value of keylength exceeds the size of the fixed stack buffer used\nfor the derived key (64 bytes), the key derivation will overflow the buffer.\nThe overflow length is attacker-controlled. Also, if the salt parameter is\nnot an OCTET STRING type this can lead to invalid or NULL pointer\ndereference.\n\nExploiting this issue requires a user or application to process\na maliciously crafted PKCS#12 file. It is uncommon to accept untrusted\nPKCS#12 files in applications as they are usually used to store private\nkeys which are trusted by definition. For this reason the issue was assessed\nas Moderate severity.\n\nThe FIPS modules in 3.6, 3.5 and 3.4 are not affected by this issue, as\nPKCS#12 processing is outside the OpenSSL FIPS module boundary.\n\nOpenSSL 3.6, 3.5 and 3.4 are vulnerable to this issue.\n\nOpenSSL 3.3, 3.0, 1.1.1 and 1.0.2 are not affected by this issue as they do\nnot support PBMAC1 in PKCS#12."}, {"lang": "es", "value": "Resumen del problema: Los par\u00e1metros PBMAC1 en archivos PKCS#12 carecen de validaci\u00f3n, lo que puede desencadenar un desbordamiento de b\u00fafer basado en pila, un puntero inv\u00e1lido o una desreferencia de puntero NULL durante la verificaci\u00f3n MAC.\n\nResumen del impacto: El desbordamiento de b\u00fafer de pila o la desreferencia de puntero NULL pueden causar un fallo que lleve a una denegaci\u00f3n de servicio para una aplicaci\u00f3n que analiza archivos PKCS#12 no confiables. El desbordamiento de b\u00fafer tambi\u00e9n puede potencialmente permitir la ejecuci\u00f3n de c\u00f3digo dependiendo de las mitigaciones de la plataforma.\n\nAl verificar un archivo PKCS#12 que utiliza PBMAC1 para el MAC, los par\u00e1metros de sal y longitud de clave (keylength) de PBKDF2 del archivo se utilizan sin validaci\u00f3n. Si el valor de la longitud de clave (keylength) excede el tama\u00f1o del b\u00fafer de pila fijo utilizado para la clave derivada (64 bytes), la derivaci\u00f3n de clave desbordar\u00e1 el b\u00fafer. La longitud del desbordamiento es controlada por el atacante. Adem\u00e1s, si el par\u00e1metro de sal no es de tipo OCTET STRING, esto puede llevar a una desreferencia de puntero inv\u00e1lido o NULL.\n\nLa explotaci\u00f3n de este problema requiere que un usuario o aplicaci\u00f3n procese un archivo PKCS#12 maliciosamente elaborado. Es poco com\u00fan aceptar archivos PKCS#12 no confiables en aplicaciones, ya que generalmente se utilizan para almacenar claves privadas que son confiables por definici\u00f3n. Por esta raz\u00f3n, el problema fue evaluado como de severidad Moderada.\n\nLos m\u00f3dulos FIPS en 3.6, 3.5 y 3.4 no se ven afectados por este problema, ya que el procesamiento de PKCS#12 est\u00e1 fuera del l\u00edmite del m\u00f3dulo FIPS de OpenSSL.\n\nOpenSSL 3.6, 3.5 y 3.4 son vulnerables a este problema.\n\nOpenSSL 3.3, 3.0, 1.1.1 y 1.0.2 no se ven afectados por este problema, ya que no soportan PBMAC1 en PKCS#12."}], "id": "CVE-2025-11187", "lastModified": "2026-06-17T08:29:49.083", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 4.7, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-11187", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-20T03:55:43.625386Z", "version": "2.0.3"}}]}, "published": "2026-01-27T16:16:14.093", "references": [{"source": "openssl-security@openssl.org", "tags": ["Patch"], "url": "https://github.com/openssl/openssl/commit/205e3a55e16e4bd08c12fdbd3416ab829c0f6206"}, {"source": "openssl-security@openssl.org", "tags": ["Patch"], "url": "https://github.com/openssl/openssl/commit/8caf359d6e46fb413e8f5f0df765d2e8a51df4e8"}, {"source": "openssl-security@openssl.org", "tags": ["Patch"], "url": "https://github.com/openssl/openssl/commit/e1079bc17ed93ff16f6b86f33a2fe3336e78817e"}, {"source": "openssl-security@openssl.org", "tags": ["Vendor Advisory"], "url": "https://openssl-library.org/news/secadv/20260127.txt"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/metadust/CVE-2025-11187"}], "sourceIdentifier": "openssl-security@openssl.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}, {"lang": "en", "value": "CWE-787"}], "source": "openssl-security@openssl.org", "type": "Secondary"}]}

{"bugzilla": {"description": "openssl: OpenSSL: Arbitrary code execution or denial of service through crafted PKCS#12 file", "id": "2430375", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2430375"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-233", "details": ["A flaw was found in OpenSSL. When an application processes a maliciously crafted PKCS#12 file, an attacker can exploit a stack buffer overflow or a NULL pointer dereference. This can lead to a denial of service (DoS) by crashing the application, and in some cases, may enable arbitrary code execution. The vulnerability arises from the lack of validation for PBKDF2 salt and keylength parameters within the PKCS#12 file."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, avoid processing untrusted PKCS#12 files. Applications should only handle PKCS#12 files from trusted sources, as these files are typically used for storing private keys and are expected to be secure."}, "name": "CVE-2025-11187", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "edk2", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "shim", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "shim-unsigned-aarch64", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "shim-unsigned-x64", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "ovmf", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "compat-openssl10", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "edk2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "mingw-openssl", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "shim", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "shim-unsigned-x64", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "compat-openssl11", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "edk2", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "shim", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "shim-unsigned-aarch64", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "shim-unsigned-x64", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Fix deferred", "package_name": "openssl", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-01-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-11187\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-11187"], "statement": "This vulnerability is rated Moderate for Red Hat. It affects OpenSSL versions 3.6, 3.5, and 3.4, where improper validation of PBMAC1 parameters in PKCS#12 MAC verification can lead to a stack buffer overflow or NULL pointer dereference. Exploitation requires an application to process a maliciously crafted PKCS#12 file, which is uncommon as these files are typically trusted. OpenSSL versions 3.3, 3.0, 1.1.1, and 1.0.2 are not affected as they do not support PBMAC1 in PKCS#12.", "threat_severity": "Moderate"}

{"created": "2026-01-27T20:16:42.715789+00:00", "updated": "2026-01-27T20:16:42.715820+00:00", "vendors": ["openssl", "openssl$PRODUCT$openssl"]}