RHSA-2026:98600 - Security Advisory

Topic

An update for gstreamer1-plugins-base is now available for Red Hat Enterprise Linux 10.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-base packages contain a collection of well-maintained base plug-ins.

Security Fix(es):

• gstreamer1-plugins-base: gst-plugins-base: heap buffer overflow via unvalidated GstVideoMeta plane extents in gst_video_frame_map_id and video_meta_deserialize (CVE-2026-86476)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 10 x86_64
• Red Hat Enterprise Linux for IBM z Systems 10 s390x
• Red Hat Enterprise Linux for Power, little endian 10 ppc64le
• Red Hat Enterprise Linux for ARM 64 10 aarch64

Fixes

• BZ - 2529510 - CVE-2026-86476 gstreamer1-plugins-base: gst-plugins-base: heap buffer overflow via unvalidated GstVideoMeta plane extents in gst_video_frame_map_id and video_meta_deserialize

CVEs

• CVE-2026-86476

References

• https://access.redhat.com/security/updates/classification/#important