{"id":"CVE-2026-125067","title":"FFmpeg through 9.0.2 VBLE Decoder NULL Pointer Dereference via vble_decode_frame()","summary":"FFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in vble_decode_frame() in libavcodec/vble.c because it ignores init_get_bits() failure on oversized packets. Attackers can supply a crafted AVI file with a 268435452-…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-252"],"vendor":"FFmpeg","product":"FFmpeg","affected":["FFmpeg <= 9.0.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-09T21:06:16.786590Z"},"published":"2026-11-09","updated":"2026-11-09","sourceUpdated":"2026-11-09T21:07:00.006Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-125067","references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25704"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/1206df65e54b6e9c01459c7cd9a95f9bde2736d7","label":"Patch Commit"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/vble.c#L139"},{"url":"https://github.com/FFmpeg/FFmpeg"},{"url":"https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-vble-decoder-null-pointer-dereference-via-vble-decode-frame","label":"VulnCheck Advisory: FFmpeg through 9.0.2 VBLE Decoder NULL Pointer Dereference via vble_decode_frame()"}],"tags":["cve.org"],"ingestedAt":"2026-11-09T19:18:02.632Z","slug":"CVE-2026-125067","body":"## Overview\n\nFFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in vble_decode_frame() in libavcodec/vble.c because it ignores init_get_bits() failure on oversized packets. Attackers can supply a crafted AVI file with a 268435452-byte VBLE frame, causing reads from a NULL bit reader buffer that crash the process.\n\n## Affected\n\n- `FFmpeg <= 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":[]}