CVE-2018-12459 json
An inconsistent bits-per-sample value in the ff_mpeg4_decode_picture_header function in libavcodec/mpeg4videodec.c in FFmpeg 4.0 may trigge…
published 2018-06-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4429
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
An inconsistent bits-per-sample value in the ff_mpeg4_decode_picture_header function in libavcodec/mpeg4videodec.c in FFmpeg 4.0 may trigger an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service.
Patch / fix
- ffmpeg Debian 14, Debian 13, Debian 12 7:4.0.1-2
debian advisories DEBIAN-CVE-2018-12459
- ffmpeg Alpine 3.24, Alpine 3.23, Alpine 3.22 +12 more 4.0.1-r0
- ffmpeg4 Alpine 3.22, Alpine 3.21, Alpine 3.20 +4 more 4.0.1-r0
alpine advisories ALPINE-CVE-2018-12459
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/FFmpeg/FFmpeg/commit/2fc108f60f98cd00813418a8754a46476b404a3c
issue-tracking, patch, third-party-advisory
Sources
- CVE List CVE-2018-12459
- NVD CVE-2018-12459
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.