Vulnerability · Published Apr 7, 2021 · Assigned by mitre
CVE-2021-30123
High 8.8
In plain English
A high-severity security flaw in the ffmpeg package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)3.4%top 11.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | ffmpeg | 4.4-r0 | ALPINE-CVE-2021-30123 |
| Alpine:v3.21 | ffmpeg | 4.4-r0 | ALPINE-CVE-2021-30123 |
| Alpine:v3.22 | ffmpeg | 4.4-r0 | ALPINE-CVE-2021-30123 |
| Alpine:v3.23 | ffmpeg | 4.4-r0 | ALPINE-CVE-2021-30123 |
| Alpine:v3.24 | ffmpeg | 4.4-r0 | ALPINE-CVE-2021-30123 |
| Alpine:v3.20 | ffmpeg4 | 4.4-r0 | ALPINE-CVE-2021-30123 |
| Alpine:v3.21 | ffmpeg4 | 4.4-r0 | ALPINE-CVE-2021-30123 |
| Alpine:v3.22 | ffmpeg4 | 4.4-r0 | ALPINE-CVE-2021-30123 |
Affected products (as reported)
References
- https://trac.ffmpeg.org/ticket/8845 x_refsource_MISC
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=d6f293353c94c7ce200f6e0975ae3de49787f91f x_refsource_MISC
- https://trac.ffmpeg.org/ticket/8863 x_refsource_MISC
- GLSA-202105-24 vendor-advisory, x_refsource_GENTOO