Vulnerability · Published Aug 27, 2026 · Assigned by mitre
CVE-2026-38343
Medium 6.5
In plain English
A medium-severity integer overflow in the ffmpeg package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 70.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An integer overflow in the libavfilter/vf_scale.c component of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ffmpeg | 7:5.1.9-0+deb12u1 | DEBIAN-CVE-2026-38343 |
| Debian:13 | ffmpeg | 7:7.1.4-0+deb13u1 | DEBIAN-CVE-2026-38343 |
| Debian:14 | ffmpeg | 7:8.1-1 | DEBIAN-CVE-2026-38343 |
| Ubuntu:26.10 | ffmpeg | no fix listed | UBUNTU-CVE-2026-38343 |
Affected products (as reported)
Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H