CVE-2026-125712 Gst-plugins-base: gst-plugins-base: missing bounds checks in rtcp sdes packet parsing

High 7.5 Published Updated
Exploited in the wild
Not known
Fix
Available

What is CVE-2026-125712?

CVE-2026-125712 is a high-severity vulnerability in Red Hat Enterprise Linux 10, published on 10 Nov 2026.

Official description

A flaw was found in GStreamer's gst-plugins-base RTCP SDES packet parser. A remote sender able to reach an active media session can supply a malformed SDES entry whose declared length exceeds the received packet. Missing bounds validation can cause the receiver to read beyond the packet buffer, potentially crashing the application or exposing a limited amount of process memory.

Weakness: CWE-125

Which versions are affected by CVE-2026-125712?

Linux distribution packages (12)
gstreamer1-plugins-base AlmaLinux:8All versions1.16.1-8.el8_10
gstreamer1-plugins-base-devel AlmaLinux:8All versions1.16.1-8.el8_10
gstreamer1-plugins-base Rocky Linux:8All versions0:1.16.1-8.el8_10
gstreamer1-plugins-base-debuginfo Rocky Linux:8All versions0:1.16.1-8.el8_10
gstreamer1-plugins-base-debugsource Rocky Linux:8All versions0:1.16.1-8.el8_10
gstreamer1-plugins-base-devel Rocky Linux:8All versions0:1.16.1-8.el8_10
gstreamer1-plugins-base Rocky Linux:9All versions0:1.22.12-10.el9_9.1
gstreamer1-plugins-base-debuginfo Rocky Linux:9All versions0:1.22.12-10.el9_9.1
gstreamer1-plugins-base-debugsource Rocky Linux:9All versions0:1.22.12-10.el9_9.1
gstreamer1-plugins-base-devel Rocky Linux:9All versions0:1.22.12-10.el9_9.1
gstreamer1-plugins-base-tools Rocky Linux:9All versions0:1.22.12-10.el9_9.1
gstreamer1-plugins-base-tools-debuginfo Rocky Linux:9All versions0:1.22.12-10.el9_9.1

How do I fix CVE-2026-125712?

Upgrade to a fixed version.

Is CVE-2026-125712 being exploited?

There is no known exploitation of CVE-2026-125712 in the wild and no public exploit code.

Sources

Also known as ALSA-2026:99012, DEBIAN-CVE-2026-125712, ECHO-c72c-f68e-06c4, GHSA-33rv-cmmp-jr52, RLSA-2026:99012, RLSA-2026:99126 and 1 more.

Is CVE-2026-125712 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free