CVE-2026-75144

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{"acknowledgement": "Upstream acknowledges Joshua Rogers (AISLE Research) as the original reporter.", "bugzilla": {"description": "ffmpeg: FFmpeg: Memory corruption via crafted Dirac data unit", "id": "2519760", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519760"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-120", "details": ["FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c) that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-derived data unit or fragment size into a fixed-size buffer without an upper bound check, causing a heap buffer overflow when the crafted input is packetized for RTP output.", "A flaw was found in FFmpeg. Attackers can trigger memory corruption in the VC-2/Dirac RTP packetizer by supplying a specially crafted Dirac data unit. This heap buffer overflow occurs because the packetizer copies input data into a fixed-size buffer without proper size validation. This can lead to a denial of service."], "mitigation": {"lang": "en:us", "value": "No mitigation is currently available for this flaw."}, "name": "CVE-2026-75144", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "ffmpeg", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-vllm-gaudi-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}], "public_date": "2026-08-19T16:26:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-75144\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-75144\nhttps://code.ffmpeg.org/FFmpeg/FFmpeg/commit/1cdeb3c4e7f1f8566d846b9b451e01c376398818\nhttps://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24091\nhttps://www.vulncheck.com/advisories/ffmpeg-heap-buffer-overflow-in-vc-2-dirac-rtp-packetizer"], "statement": "The ffmpeg package is not shipped in base Red Hat Enterprise Linux. It is available through EPEL, Red Hat Enterprise Linux AI, and as a bundled dependency in Red Hat OpenShift AI container images. The vulnerable code resides in the VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c), which is compiled and shipped in all FFmpeg builds across these products. This is a heap buffer overflow that could potentially lead to code execution.", "threat_severity": "Important"}

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