Vulnerability · Published Feb 18, 2025 · Assigned by mitre

CVE-2025-25467

Critical 9.8

In plain English

A critical-severity code injection in the x264 package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 47.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Insufficient tracking and releasing of allocated used memory in libx264 git master allows attackers to execute arbitrary code via creating a crafted AAC file.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12x264no fix listedDEBIAN-CVE-2025-25467
Debian:13x264no fix listedDEBIAN-CVE-2025-25467
Debian:14x264no fix listedDEBIAN-CVE-2025-25467
Ubuntu:25.10ffmpegno fix listedUBUNTU-CVE-2025-25467
Ubuntu:26.10ffmpegno fix listedUBUNTU-CVE-2025-25467
Ubuntu:22.04:LTSx264no fix listedUBUNTU-CVE-2025-25467
Ubuntu:24.04:LTSx264no fix listedUBUNTU-CVE-2025-25467
Ubuntu:25.10x264no fix listedUBUNTU-CVE-2025-25467
Ubuntu:26.04:LTSx264no fix listedUBUNTU-CVE-2025-25467
Ubuntu:26.10x264no fix listedUBUNTU-CVE-2025-25467

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References