Vulnerability · Published Jan 4, 2021 · Assigned by mitre
CVE-2020-35965
High 7.5
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 2.3% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.3%top 16.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of errors in calculations of when to perform memset zero operations.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | ffmpeg | 4.3.2-r0 | ALPINE-CVE-2020-35965 |
| Alpine:v3.21 | ffmpeg | 4.3.2-r0 | ALPINE-CVE-2020-35965 |
| Alpine:v3.22 | ffmpeg | 4.3.2-r0 | ALPINE-CVE-2020-35965 |
| Alpine:v3.23 | ffmpeg | 4.3.2-r0 | ALPINE-CVE-2020-35965 |
| Alpine:v3.24 | ffmpeg | 4.3.2-r0 | ALPINE-CVE-2020-35965 |
| Alpine:v3.20 | ffmpeg4 | 4.3.2-r0 | ALPINE-CVE-2020-35965 |
| Alpine:v3.21 | ffmpeg4 | 4.3.2-r0 | ALPINE-CVE-2020-35965 |
| Alpine:v3.22 | ffmpeg4 | 4.3.2-r0 | ALPINE-CVE-2020-35965 |
| Debian:12 | ffmpeg | 7:4.3.1-6 | DEBIAN-CVE-2020-35965 |
| Debian:13 | ffmpeg | 7:4.3.1-6 | DEBIAN-CVE-2020-35965 |
| Debian:14 | ffmpeg | 7:4.3.1-6 | DEBIAN-CVE-2020-35965 |
| 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/b0a8b40294ea212c1938348ff112ef1b9bf16bb3 x_refsource_MISC
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532 x_refsource_MISC
- https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b x_refsource_MISC
- [debian-lts-announce] 20210131 [SECURITY] [DLA 2537-1] ffmpeg security update mailing-list, x_refsource_MLIST
- GLSA-202105-24 vendor-advisory, x_refsource_GENTOO
- DSA-4990 vendor-advisory, x_refsource_DEBIAN