CVE-2021-38291: debian debian_linux Reachable Assertion
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-38291DEBIAN-CVE-2021-38291CGA-4qq7-2frj-m6p8CGA-5gf8-5pgg-96h8CGA-c4fh-g2h7-vmw4CGA-c77q-f3rg-22c6CGA-gp4w-xpf5-ggfxCGA-hfqq-rwxr-3j7mCGA-qfg6-7wmr-342qCGA-w9jj-8hf2-vfwh
Published 12-08-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-38291 is a high (CVSS 7.5) Reachable Assertion vulnerability in debian debian_linux. EPSS estimates a 2.69% chance of exploitation in the next 30 days, higher than 85.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.69%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 7 · Related 3Timeline
- 12-08-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
FFmpeg version (git commit de8e6e67e7523e48bb27ac224a0b446df05e1640) suffers from a an assertion failure at src/libavutil/mathematics.c.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.69%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.69% on 20-09-2026
20-09-202620-10-2026
EPSS score2.69%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (trac.ffmpeg.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Chainguard4 products
- torchaudio-ffmpeg-tarballsAll versions (No fix recorded)
- torchaudio-ffmpeg-tarballs-4.4.4All versions (No fix recorded)
- torchaudio-ffmpeg-tarballs-5.0.3All versions (No fix recorded)
- torchaudio-ffmpeg-tarballs-6.0All versions (No fix recorded)
Debian2 products
- ffmpeg< 7:4.4.1-1
- debian_linuxEOL9.0 | 10.0 | 11.0
Ffmpeg1 product
- ffmpeg< 4.1.7 | ≥ 4.2.0, < 4.2.5 | ≥ 4.3.0, < 4.3.3 | ≥ 4.4.0, < 4.4.1
Ubuntu1 product
- ffmpeg< 7:2.8.17-0ubuntu0.1+esm4 | < 7:3.4.11-0ubuntu0.1 | < 7:4.2.7-0ubuntu0.1
4 vendors · 8 products
