CVE-2025-9951

Publication date 9 September 2025

Last updated 21 October 2025


Ubuntu priority

Description

A heap-buffer-overflow write exists in jpeg2000dec FFmpeg which allows an attacker to potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000.

Status

Package Ubuntu Release Status
ffmpeg 25.10 questing
Vulnerable
25.04 plucky
Vulnerable
24.04 LTS noble
Fixed 7:6.1.1-3ubuntu5+esm6
22.04 LTS jammy
Vulnerable
20.04 LTS focal Ignored backport too intrusive
18.04 LTS bionic Ignored backport too intrusive
16.04 LTS xenial
Vulnerable
libav 25.10 questing Not in release
25.04 plucky Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
14.04 LTS trusty
Needs evaluation

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro 30-day free trial

References

Related Ubuntu Security Notices (USN)

    • USN-7830-1
    • FFmpeg vulnerabilities
    • 21 October 2025

Other references