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{"bugzilla": {"description": "ImageMagick: stack-based buffer overflow in MNG encoder", "id": "2445887", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445887"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-121", "details": ["A flaw was found in ImageMagick. Processing a specially crafted image with the MNG encoder can cause a stack-based buffer overflow due to a missing bounds check, leading to a denial of service and potentially arbitrary code execution."], "mitigation": {"lang": "en:us", "value": "To mitigate this vulnerability, disable the vulnerable encoder by adding the following line to the ImageMagick policy.xml file, typically located in the directory /etc/ImageMagick-7/, /etc/ImageMagick-6/ or /etc/ImageMagick/:\n~~~\n<policy domain=\"coder\" rights=\"none\" pattern=\"MNG\" />\n~~~\nTo reduce the risk of exploitation, avoid processing untrusted MNG files with ImageMagick. If ImageMagick is deployed in a way that it processes files from untrusted sources automatically, consider running the application inside a container or a restricted sandbox environment to limit the potential security impact."}, "name": "CVE-2026-28690", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2026-03-09T21:39:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-28690\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-28690\nhttps://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-7h7q-j33q-hvpf"], "statement": "To exploit this issue, an attacker needs to convince a user to process a specially crafted file that makes ImageMagick use the MNG encoder.\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 to a denial of service.\nDue to these reasons, this vulnerability has been rated with a moderate severity.", "threat_severity": "Moderate"}

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