CVE-2026-125097FFmpeg FFmpeg
NVD
Vulnerability Summary
FFmpeg through 9.0.2 contains an uninitialized memory disclosure vulnerability in raw_decode() in libavcodec/rawdec.c that fails to verify packet stride covers a full row for 1 to 8 bits per pixel video. Attackers can supply crafted AVI, MOV or NUT files with truncated low bit depth rawvideo packets to leak uninitialized heap memory through decoded frame output.
CVSS v4.0 Base Metrics — Score 4.8 (MEDIUM)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NAttack VectorLocal
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionPassive
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)None
Availability (Vulnerable System)None
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 3.3)
CVSS v3.1 Base Metrics — Score 3.3 (LOW)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NAttack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityNone
Affected & Patched Versions
- FFmpeg FFmpeg <= 9.0.2
- FFmpeg FFmpeg 9.0.2
What to do
Fix it during your normal patch cycle. No exploitation is confirmed yet.
- Check whether you run FFmpeg FFmpeg and which version.
- Update to a patched version listed above, then confirm the new version.
Timeline
- Nov 9, 2026Published
- Nov 13, 2026Record last modified
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
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Set up CVE alertsExternal References
- Referencehttps://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25715
- Patchhttps://github.com/FFmpeg/FFmpeg/commit/01a395b935b9da12dbeca588a7130c4db6a14689
- Referencehttps://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/rawdec.c#L208
- Referencehttps://github.com/FFmpeg/FFmpeg
- Referencehttps://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-uninitialized-heap-memory-disclosure-via-rawdec-c-raw-video-decoder
Data last checked: Nov 13, 2026 21:28 UTC