Vulnerability · Published Aug 4, 2021 · Assigned by mitre
CVE-2021-38114
Medium 5.5
In plain English
A medium-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 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.0%top 37.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
libavcodec/dnxhddec.c in FFmpeg 4.4 does not check the return value of the init_vlc function, a similar issue to CVE-2013-0868.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | ffmpeg | 4.4.1-r0 | ALPINE-CVE-2021-38114 |
| Alpine:v3.21 | ffmpeg | 4.4.1-r0 | ALPINE-CVE-2021-38114 |
| Alpine:v3.22 | ffmpeg | 4.4.1-r0 | ALPINE-CVE-2021-38114 |
| Alpine:v3.23 | ffmpeg | 4.4.1-r0 | ALPINE-CVE-2021-38114 |
| Alpine:v3.24 | ffmpeg | 4.4.1-r0 | ALPINE-CVE-2021-38114 |
| Alpine:v3.20 | ffmpeg4 | 4.4.1-r0 | ALPINE-CVE-2021-38114 |
| Alpine:v3.21 | ffmpeg4 | 4.4.1-r0 | ALPINE-CVE-2021-38114 |
| Alpine:v3.22 | ffmpeg4 | 4.4.1-r0 | ALPINE-CVE-2021-38114 |
| Debian:12 | ffmpeg | 7:4.4.1-1 | DEBIAN-CVE-2021-38114 |
| Debian:13 | ffmpeg | 7:4.4.1-1 | DEBIAN-CVE-2021-38114 |
| Debian:14 | ffmpeg | 7:4.4.1-1 | DEBIAN-CVE-2021-38114 |
| Ubuntu:22.04:LTS | ffmpeg | 7:4.4.2-0ubuntu0.22.04.1 | USN-5472-1 |
Affected products (as reported)
References
- https://github.com/FFmpeg/FFmpeg/commit/7150f9575671f898382c370acae35f9087a30ba1 x_refsource_MISC
- https://patchwork.ffmpeg.org/project/ffmpeg/patch/PAXP193MB12624C21AE412BE95BA4D4A4B6F09%40PAXP193MB1262.EURP193.PROD.OUTLOOK.COM/ x_refsource_MISC
- [debian-lts-announce] 20210815 [SECURITY] [DLA 2742-1] ffmpeg security update mailing-list, x_refsource_MLIST
- DSA-4990 vendor-advisory, x_refsource_DEBIAN
- DSA-4998 vendor-advisory, x_refsource_DEBIAN