Out-of-bounds write in gst-plugins-good and gstreamer - CVE-2026-46469
Published: May 22, 2026
Vulnerability identifier: #VU132155
CSH Severity: Medium
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-46469
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to out-of-bounds read and out-of-bounds write in the MOV/MP4 demuxer audio channel layout parsing code when parsing crafted chan and chnl boxes with more than 63 audio channels. A remote attacker can supply a specially crafted media file to cause a denial of service.
Successful exploitation may also disclose sensitive information through out-of-bounds reads.
Affected software
gst-plugins-good
gstreamer
Debian Linux
Ubuntu
gst-plugins-good1.0 (Ubuntu package)
gst-plugins-good1.0 (Debian package)
gstreamer
Debian Linux
Ubuntu
gst-plugins-good1.0 (Ubuntu package)
gst-plugins-good1.0 (Debian package)
How to mitigate CVE-2026-46469
Install security update from vendor's website.
gst-plugins-good - update to 1.28.2
gstreamer - update to 1.28.2
gst-plugins-good1.0 (Ubuntu package) - addressed in versions 1.20.3-0ubuntu1.6, 1.24.2-1ubuntu1.4, 1.26.5-1ubuntu2.3
gst-plugins-good1.0 (Debian package) - update to 1.26.2-1+deb13u1
gstreamer - update to 1.28.2
gst-plugins-good1.0 (Ubuntu package) - addressed in versions 1.20.3-0ubuntu1.6, 1.24.2-1ubuntu1.4, 1.26.5-1ubuntu2.3
gst-plugins-good1.0 (Debian package) - update to 1.26.2-1+deb13u1