Heap Read Vulnerability in GStreamer's MOV/MP4 Demuxer
CVE-2026-125041

5.5MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Vendor
CVE Published:
9 November 2026

What is CVE-2026-125041?

A vulnerability exists in GStreamer's MOV/MP4 demuxer where the system fails to correctly validate the declared row alignment and chroma geometry when handling uncompressed video tracks. This oversight can lead to an out-of-bounds heap read while copying sample data. As a result, it may cause the application to crash, leading to potential Denial of Service scenarios.

References

https://access.redhat.com/security/cve/CVE-2026-125041
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2569126
issue-trackingx_refsource_REDHAT
https://gstreamer.freedesktop.org/security/sa-2026-0025.html

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.