CVE-2026-28494

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{"affected": [{"affectedData": [{"product": "ImageMagick", "vendor": "ImageMagick", "versions": [{"status": "affected", "version": ">= 7.0.0, < 7.1.2-16"}, {"status": "affected", "version": "< 6.9.13-41"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "matchCriteriaId": "EFFB7C48-4211-4215-9C0B-D285B8E09CF1", "versionEndExcluding": "6.9.13-41", "vulnerable": true}, {"criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "matchCriteriaId": "865783BD-5A33-4D05-AF99-E6EFE76414D1", "versionEndExcluding": "7.1.2-16", "versionStartIncluding": "7.0.0-0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, a stack buffer overflow exists in ImageMagick's morphology kernel parsing functions. User-controlled kernel strings exceeding a buffer are copied into fixed-size stack buffers via memcpy without bounds checking, resulting in stack corruption. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41."}, {"lang": "es", "value": "ImageMagick es un software libre y de c\u00f3digo abierto utilizado para editar y manipular im\u00e1genes digitales. Antes de las versiones 7.1.2-16 y 6.9.13-41, existe un desbordamiento de b\u00fafer de pila en las funciones de an\u00e1lisis del kernel de morfolog\u00eda de ImageMagick. Cadenas de kernel controladas por el usuario que exceden un b\u00fafer se copian en b\u00faferes de pila de tama\u00f1o fijo a trav\u00e9s de memcpy sin comprobaci\u00f3n de l\u00edmites, lo que resulta en corrupci\u00f3n de la pila. Esta vulnerabilidad est\u00e1 corregida en las versiones 7.1.2-16 y 6.9.13-41."}], "id": "CVE-2026-28494", "lastModified": "2026-06-17T10:28:44.597", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-28494", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-10T14:40:59.673356Z", "version": "2.0.3"}}]}, "published": "2026-03-10T07:43:40.040", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-932h-jw47-73jm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "ImageMagick: ImageMagick: Arbitrary code execution or denial of service via maliciously crafted kernel strings", "id": "2445901", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445901"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "status": "draft"}, "cwe": "CWE-120", "details": ["A flaw was found in ImageMagick. This vulnerability, a stack buffer overflow, allows an attacker to cause stack corruption by providing maliciously crafted kernel strings. This can lead to arbitrary code execution or a denial of service (DoS), impacting the availability and integrity of the system."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-28494", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2026-03-09T21:31:36Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-28494\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-28494\nhttps://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-932h-jw47-73jm"], "statement": "This is an IMPORTANT vulnerability in ImageMagick, where a stack buffer overflow can occur when processing specially crafted morphology kernel strings. This flaw is triggered when ImageMagick processes user-controlled input containing overly long kernel names or arrays. Red Hat Enterprise Linux systems utilizing ImageMagick are affected if they process untrusted image files.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.1.2-16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.9.13-41)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ImageMagick", "source": "cna", "vendor": "ImageMagick"}, "product": "imagemagick", "vendor": "imagemagick"}], "analysis": {"en": {"generated_at": "2026-04-17T11:50:59.359251+00:00", "value": {"mitigation_remediation": ["Upgrade ImageMagick to version 7.1.2-16 or 6.9.13-41, which contain the fix", "If an update is not immediately possible, restrict image uploads to trusted sources and disable or filter morphologic operations on untrusted content", "Apply the latest security patches from the upstream repository and monitor vendor advisories for future fixes"], "summary": {"action": "Immediate Patch", "impact": "Stack buffer overflow leading to potential arbitrary code execution via malformed morphology kernels"}, "threat_synthesis": {"affected_systems": "ImageMagick installations older than version 7.1.2-16 or 6.9.13-41 are affected. Any deployment that processes untrusted image data with morphology operations and runs a vulnerable version of ImageMagick is at risk.", "description_and_impact": "ImageMagick parses morphology kernel strings into fixed-size stack buffers without bounds checking. When a user provides a kernel name or array longer than the buffer, the data is copied by memcpy, corrupting the stack. Stack corruption can overwrite control data and allow an attacker to execute arbitrary code, potentially compromising the system or application using ImageMagick.", "risk_and_exploitability": "The vulnerability carries a CVSS score of 7.1 and an EPSS score of less than 1\u202f%, indicating a moderate to high severity but a low likelihood of exploitation. It is not listed in CISA\u2019s KEV catalog. Exploitation would require an attacker to supply a crafted image that includes a long morphology kernel name or array, so the most plausible attack vector is the processing of untrusted image files. Successful exploitation could lead to arbitrary code execution or application crashes."}}}}, "created": "2026-03-10T14:06:54.326032+00:00", "updated": "2026-04-17T12:00:11.754911+00:00", "vendors": ["imagemagick", "imagemagick$PRODUCT$imagemagick"]}