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VulnerabilityPublished

CVE-2026-125706: Red Hat Enterprise Linux 10 · Out-of-bounds Read

Affects Red Hat Enterprise Linux 10Source CVE Database V5

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Not known to be exploited · CVSS 5.5 Medium.

Data as of 10 Nov 2026, 11:50 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.15.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Enterprise Linux 10gstreamer1-plugins-bad-freeAffected–Fixed in–
Red Hat Enterprise Linux 6gstreamer-plugins-bad-freeAffected–Fixed in–
Red Hat Enterprise Linux 7gstreamer1-plugins-bad-freeAffected–Fixed in–
Red Hat Enterprise Linux 7gstreamer-plugins-bad-freeAffected–Fixed in–
Red Hat Enterprise Linux 8gstreamer1-plugins-bad-freeAffected–Fixed in–
Red Hat Enterprise Linux 9gstreamer1-plugins-bad-freeAffected–Fixed in–

AI-suggested

Red Hat advises setting the environment variable GST_PLUGIN_FEATURE_RANK=mpegpsdemux:NONE in affected processes to prevent automatic selection of the vulnerable MPEG Program Stream demuxer plugin. Applications explicitly using the affected plugins should avoid processing untrusted MPEG Program Stream or DVD input until a fixed package is available. These mitigations disable the vulnerable playback paths but are not complete fixes. Fixed versions are available starting with RHEL 10.4 and Fedora 44. Users should apply updates when they become available.

Description

CVE-2026-125706 is a moderate severity vulnerability in GStreamer's gst-plugins-bad MPEG Program Stream demuxer and resindvd DVD-playback plugin used in Red Hat Enterprise Linux 10. The flaw involves insufficient bounds checking in PES header parsing, which can lead to an out-of-bounds read when processing specially crafted MPEG Program Stream files. This may cause the application to crash, resulting in a denial of service. The vulnerability requires a user or media-processing pipeline to open the crafted file. Some affected Red Hat versions have fixes deferred under the Moderate policy, while newer versions like RHEL 10.4 are not affected. Mitigations include disabling the vulnerable plugin selection or avoiding untrusted input until a fix is available.

References

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