{"id":"CVE-2026-120244","title":"FFmpeg 2.1 through 9.0.2 Uninitialized Memory Leak via PCX Decoder","summary":"FFmpeg 2.1 through 9.0.2 contains a use of uninitialized resource vulnerability in the PCX decoder that allows attackers to leak heap memory through truncated RLE scanlines. Attackers can craft a PCX image whose RLE data ends early, caus…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-908"],"vendor":"FFmpeg","product":"FFmpeg","affected":["FFmpeg >= 2.1 <= 9.0.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-02T17:03:59.875794Z"},"published":"2026-11-01","updated":"2026-11-02","sourceUpdated":"2026-11-02T17:44:48.638Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-120244","references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24868"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/ecd5dfc308a164757e7f25b1afefd8db21b43cf9"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/pcx.c#L45-L59"},{"url":"https://github.com/FFmpeg/FFmpeg"},{"url":"https://www.vulncheck.com/advisories/ffmpeg-2.1-through-9.0.2-uninitialized-memory-leak-via-pcx-decoder","label":"VulnCheck Advisory: FFmpeg 2.1 through 9.0.2 Uninitialized Memory Leak via PCX Decoder"}],"tags":["cve.org"],"epss":0.00124,"epssPercentile":0.02128,"ingestedAt":"2026-11-05T19:30:42.747Z","slug":"CVE-2026-120244","body":"## Overview\n\nFFmpeg 2.1 through 9.0.2 contains a use of uninitialized resource vulnerability in the PCX decoder that allows attackers to leak heap memory through truncated RLE scanlines. Attackers can craft a PCX image whose RLE data ends early, causing pcx_decode_frame() to copy uninitialized av_malloc() buffer contents into visible decoded pixels.\n\n## Affected\n\n- `FFmpeg >= 2.1 <= 9.0.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}