Vulnerability · Published Aug 27, 2026 · Assigned by mitre

CVE-2026-38344

High 7.5

In plain English

A high-severity null pointer dereference 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 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 60.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A NULL pointer dereference in the get_min_buffer_size function (/libswscale/slice.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video file.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12ffmpeg7:5.1.9-0+deb12u1DEBIAN-CVE-2026-38344
Debian:13ffmpeg7:7.1.4-0+deb13u1DEBIAN-CVE-2026-38344
Debian:14ffmpeg7:8.1-1DEBIAN-CVE-2026-38344

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References