CVE-2026-37555

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Linux AppStream E4S (v.9.2)"}, {"lang": "en", "value": "RHSA-2026:23222: Red Hat Enterprise Linux AppStream E4S (v.9.4)"}, {"lang": "en", "value": "RHSA-2026:23223: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux AppStream EUS (v.9.6)"}, {"lang": "en", "value": "RHSA-2026:19610: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)"}, {"lang": "en", "value": "RHSA-2026:30078: Red Hat AI Inference Server 3.3"}, {"lang": "en", "value": "RHSA-2026:30089: Red Hat AI Inference Server 3.3"}, {"lang": "en", "value": "RHSA-2026:30088: Red Hat AI Inference Server 3.3"}, {"lang": "en", "value": "RHSA-2026:30087: Red Hat AI Inference Server 3.3"}], "x_adpType": "supplier", "datePublic": "2026-04-29T00:00:00.000Z", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-37555", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2463856", "name": "RHBZ#2463856", "tags": 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An integer overflow in the IMA ADPCM codec can occur when a specially crafted WAV audio file is processed, specifically with malicious samplesperblock and blocks values. 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The AIFF code path (line 241) was fixed with (sf_count_t) cast, but the WAV code path (line 235) and close path (line 167) were not. When samplesperblock (int) * blocks (int) exceeds INT_MAX, the 32-bit multiplication overflows before being assigned to sf.frames (sf_count_t/int64). With samplesperblock=50000 and blocks=50000, the product 2500000000 overflows to -1794967296. This causes incorrect frame count leading to heap buffer overflow or denial of service. Both values come from the WAV file header and are attacker-controlled. 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The AIFF code path (line 241) was fixed with (sf_count_t) cast, but the WAV code path (line 235) and close path (line 167) were not. When samplesperblock (int) * blocks (int) exceeds INT_MAX, the 32-bit multiplication overflows before being assigned to sf.frames (sf_count_t/int64). With samplesperblock=50000 and blocks=50000, the product 2500000000 overflows to -1794967296. This causes incorrect frame count leading to heap buffer overflow or denial of service. Both values come from the WAV file header and are attacker-controlled. This issue was discovered after an incomplete fix for CVE-2022-33065."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en el c\u00f3dec IMA ADPCM de libsndfile 1.2.2. La ruta de c\u00f3digo AIFF (l\u00ednea 241) se corrigi\u00f3 con una conversi\u00f3n (cast) a (sf_count_t), pero la ruta de c\u00f3digo WAV (l\u00ednea 235) y la ruta de cierre (l\u00ednea 167) no lo fueron. Cuando samplesperblock (int) * blocks (int) excede INT_MAX, la multiplicaci\u00f3n de 32 bits se desborda antes de ser asignada a sf.frames (sf_count_t/int64). Con samplesperblock=50000 y blocks=50000, el producto 2500000000 se desborda a -1794967296. Esto causa un recuento de fotogramas incorrecto, lo que lleva a un desbordamiento de b\u00fafer de pila o denegaci\u00f3n de servicio. Ambos valores provienen del encabezado del archivo WAV y son controlados por el atacante. Este problema fue descubierto despu\u00e9s de una correcci\u00f3n incompleta para CVE-2022-33065."}], "id": "CVE-2026-37555", "lastModified": "2026-11-11T21:10:00.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-37555", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-29T19:31:33.669309Z", "version": "2.0.3"}}]}, "published": "2026-04-29T16:16:23.410", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gist.github.com/sgInnora/a5f5c19e4bf6f4fb74fab7b0ef2bfcc1"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/libsndfile/libsndfile/commit/9a829113c88a51e57c1e46473e90609e4b7df151"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking"], "url": "https://github.com/libsndfile/libsndfile/issues/833"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:19559"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:19560"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:19610"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:23221"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:23222"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:23223"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:25092"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:25197"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:25198"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:25227"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:30078"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:30087"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:30088"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:30089"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/security/cve/CVE-2026-37555"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2463856"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Issue Tracking"], "url": "https://github.com/libsndfile/libsndfile/issues/833"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37555.json"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-190"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}]}

{"bugzilla": {"description": "libsndfile: integer overflow in ima_reader_init()", "id": "2463856", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2463856"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["A flaw was found in the libsndfile library. An integer overflow in the IMA ADPCM codec can occur when a specially crafted WAV audio file is processed, specifically with malicious samplesperblock and blocks values. This can lead to a heap-based buffer overflow, causing a crash to the application linked to the library and memory corruption."], "mitigation": {"lang": "en:us", "value": "Do not process untrusted WAV files with the libsndfile library."}, "name": "CVE-2026-37555", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "libsndfile", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libsndfile", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libsndfile", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "libsndfile", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "libsndfile", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-37555\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-37555\nhttps://github.com/libsndfile/libsndfile/commit/9a829113c88a51e57c1e46473e90609e4b7df151\nhttps://github.com/libsndfile/libsndfile/issues/833"], "statement": "To exploit this issue, an attacker needs to be able to process a malicious WAV file with an application linked to the libsndfile library.\nDefault Red Hat Enterprise Linux security features, including SELinux enforcement, Address Space Layout Randomization (ASLR) and NX (No-Execute) stack protection, significantly increase the difficulty of achieving arbitrary code execution, limiting the impact of this vulnerability.\nDue to these reasons, this flaw has been rated with an important severity.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.2.2"}}], "enrichment": {"confidence": 84.0, "confidence_source": "matching", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 84.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "libsndfile", "vendor": "libsndfile_project"}], "created": "2026-04-29T21:30:20.655925+00:00", "title": "Overflow in WAV Header Field Causes Heap Buffer Overrun in libsndfile's IMA ADPCM Codec", "updated": "2026-04-30T08:15:31.935618+00:00", "vendors": ["libsndfile_project", "libsndfile_project$PRODUCT$libsndfile"], "weaknesses": ["CWE-190", "CWE-119", "CWE-20"]}