{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62946", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-14T22:32:17.731Z", "datePublished": "2026-07-30T00:06:16.176Z", "dateUpdated": "2026-07-30T14:14:23.353Z"}, "containers": {"cna": {"title": "ImageMagick: Integer Overflow in JNX decoder causes heap buffer over-write when processing extremly large files on 32-bit builds", "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "lang": "en", "description": "CWE-190: Integer Overflow or Wraparound", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-h22j-f9xw-xjjm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-h22j-f9xw-xjjm"}], "affected": [{"vendor": "ImageMagick", "product": "ImageMagick", "versions": [{"version": "< 7.1.2-27", "status": "affected"}, {"version": "< 6.9.13-52", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-30T00:06:16.176Z"}, "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to both 6.9.13-52 and 7.1.2-27, processing an extremely large JNX file on 32-bit platforms can cause an integer overflow, leading to a heap buffer over-write. This issue has been fixed in versions 6.9.13-52 and 7.1.2-27."}], "source": {"advisory": "GHSA-h22j-f9xw-xjjm", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-30T14:14:07.540839Z", "id": "CVE-2026-62946", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-30T14:14:23.353Z"}}]}}

{}

{}

{"bugzilla": {"description": "Imagemagick: ImageMagick: Denial of Service via integer overflow in JNX decoder on 32-bit systems", "id": "2508878", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2508878"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["A flaw was found in ImageMagick. When processing extremely large JNX image files on 32-bit systems, an attacker could trigger an integer overflow. This overflow leads to a heap buffer over-write, which can cause the application to crash, resulting in a denial of service."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, avoid processing untrusted JNX image files with ImageMagick on 32-bit systems. Restricting ImageMagick's exposure to untrusted or excessively large JNX files can reduce the risk of a denial of service."}, "name": "CVE-2026-62946", "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": "2026-07-30T00:06:16Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-62946\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-62946\nhttps://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-h22j-f9xw-xjjm"], "statement": "This Moderate impact flaw in ImageMagick affects 32-bit systems, where processing an exceptionally large JNX image file can trigger an integer overflow. This leads to a heap buffer overwrite, causing a denial of service. The vulnerability requires local access and has high attack complexity, limiting its broader exploitability.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.1.2-27)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.9.13-52)"}}], "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": "2026-07-30T01:30:09.637134+00:00", "updated": "2026-07-30T01:30:09.637179+00:00", "vendors": ["imagemagick", "imagemagick$PRODUCT$imagemagick"]}