{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-25794", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-05T19:58:01.640Z", "datePublished": "2026-02-24T00:53:23.396Z", "dateUpdated": "2026-02-24T00:53:23.396Z"}, "containers": {"cna": {"title": "ImageMagick has heap-buffer-overflow via signed integer overflow in `WriteUHDRImage` when writing UHDR images with large dimensions", "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "lang": "en", "description": "CWE-122: Heap-based Buffer Overflow", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-190", "lang": "en", "description": "CWE-190: Integer Overflow or Wraparound", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-vhqj-f5cj-9x8h", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-vhqj-f5cj-9x8h"}], "affected": [{"vendor": "ImageMagick", "product": "ImageMagick", "versions": [{"version": "< 7.1.2-15", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-24T00:53:23.396Z"}, "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. `WriteUHDRImage` in `coders/uhdr.c` uses `int` arithmetic to compute the pixel buffer size. Prior to version 7.1.2-15, when image dimensions are large, the multiplication overflows 32-bit `int`, causing an undersized heap allocation followed by an out-of-bounds write. This can crash the process or potentially lead to an out of bounds heap write. Version 7.1.2-15 contains a patch."}], "source": {"advisory": "GHSA-vhqj-f5cj-9x8h", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. `WriteUHDRImage` in `coders/uhdr.c` uses `int` arithmetic to compute the pixel buffer size. Prior to version 7.1.2-15, when image dimensions are large, the multiplication overflows 32-bit `int`, causing an undersized heap allocation followed by an out-of-bounds write. This can crash the process or potentially lead to an out of bounds heap write. Version 7.1.2-15 contains a patch."}], "id": "CVE-2026-25794", "lastModified": "2026-02-24T14:13:49.320", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-24T01:16:13.970", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-vhqj-f5cj-9x8h"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-190"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "ImageMagick: ImageMagick: Denial of service and potential arbitrary code execution via integer overflow in image processing", "id": "2442110", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2442110"}, "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:L/I:N/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["A flaw was found in ImageMagick. When processing images with large dimensions, the `WriteUHDRImage` function in `coders/uhdr.c` uses integer arithmetic that can overflow. This overflow leads to an undersized memory allocation, followed by an out-of-bounds write. A remote attacker could exploit this vulnerability by providing a specially crafted image, potentially causing a denial of service or, in some cases, arbitrary code execution."], "mitigation": {"lang": "en:us", "value": "To mitigate this vulnerability, avoid processing untrusted or maliciously crafted UHDR image files with ImageMagick. Limiting the exposure of ImageMagick to untrusted input can reduce the risk of exploitation."}, "name": "CVE-2026-25794", "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": "Affected", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2026-02-24T00:53:23Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-25794\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-25794\nhttps://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-vhqj-f5cj-9x8h"], "statement": "This IMPORTANT heap-buffer-overflow vulnerability in ImageMagick's `WriteUHDRImage` function can lead to a denial of service or potentially arbitrary code execution when processing specially crafted UHDR images with excessively large dimensions. Red Hat Enterprise Linux 6 ELS and 7 ELS are affected by this flaw, which occurs due to a signed integer overflow during pixel buffer size calculation.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.1.2-15)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ImageMagick", "source": "cna", "vendor": "ImageMagick"}, "product": "imagemagick", "vendor": "imagemagick"}], "created": "2026-02-24T09:54:10.651224+00:00", "updated": "2026-02-24T09:54:10.651296+00:00", "vendors": ["imagemagick", "imagemagick$PRODUCT$imagemagick"]}