libvpx: Use after free — GLSA 202509-07

A vulnerability has been discovered in libvpx, which could lead to execution of arbitrary code.

Affected packages

media-libs/libvpx on all architectures
Affected versions < 1.15.2
Unaffected versions >= 1.15.2

Background

libvpx is the VP8 codec SDK used to encode and decode video streams, typically within a WebM format media file.

Description

A vulnerability has been discovered in libvpx. Please review the CVE identifier referenced below for details.

Impact

Please review the referenced CVE identifier for details.

Workaround

There is no known workaround at this time.

Resolution

All libvpx users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=media-libs/libvpx-1.15.2"
 

References

Release date
September 17, 2025

Latest revision
September 17, 2025: 1

Severity
high

Exploitable
remote

Bugzilla entries