{"id":"CVE-2026-125186","title":"FFmpeg through 9.0.2 CPU Exhaustion via dts2pts Bitstream Filter","summary":"FFmpeg through 9.0.2 contains an uncontrolled resource consumption vulnerability in the dts2pts bitstream filter that allows attackers to exhaust CPU through unbounded per-packet POC node allocation. Attackers can supply a crafted H.264 …","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-770"],"vendor":"FFmpeg","product":"FFmpeg","affected":["FFmpeg <= 9.0.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-09T21:02:44.690664Z"},"published":"2026-11-09","updated":"2026-11-09","sourceUpdated":"2026-11-09T21:06:57.655Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-125186","references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25569"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/d8013c061725631261d7326c07d2af3a67fa4bc1","label":"Patch Commit"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/bsf/dts2pts.c#L363"},{"url":"https://github.com/FFmpeg/FFmpeg"},{"url":"https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-cpu-exhaustion-via-dts2pts-bitstream-filter","label":"VulnCheck Advisory: FFmpeg through 9.0.2 CPU Exhaustion via dts2pts Bitstream Filter"}],"tags":["cve.org"],"ingestedAt":"2026-11-09T19:18:02.607Z","slug":"CVE-2026-125186","body":"## Overview\n\nFFmpeg through 9.0.2 contains an uncontrolled resource consumption vulnerability in the dts2pts bitstream filter that allows attackers to exhaust CPU through unbounded per-packet POC node allocation. Attackers can supply a crafted H.264 packet with many slices of alternating picture order counts, forcing h264_queue_frame() to allocate tree nodes per slice and deny service.\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":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}