CVE-2026-62946

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{"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"}

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