Red Hat Security Advisory: gstreamer1-plugins-base security update
Affects Red Hat gstreamer1-plugins-baseSource GCVE Database
Not known to be exploited · CVSS 7.8 High.
Data as of 31 Oct 2026, 11:06 UTC
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 20 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 30 Oct 2026.
What to do
AI-suggested
A security update is available from Red Hat for the gstreamer1-plugins-base package on Red Hat Enterprise Linux 8.4 Extended Life Cycle Long Life and related variants. Users should apply the update as described in the Red Hat advisory RHSA-2026:69531 and the referenced article https://access.redhat.com/articles/11258 to remediate the vulnerability. No additional mitigation steps are specified or required beyond applying the official patch.
Description
A security vulnerability in the gstreamer1-plugins-base package for Red Hat Enterprise Linux 8.4 allows arbitrary code execution due to a buffer overflow in OGG file parsing. This flaw is identified as CVE-2026-18297 and is rated with high severity by Red Hat Product Security. A security update addressing this issue is available for affected Red Hat Enterprise Linux 8.4 variants.