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, 11:05 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
Red Hat has released updated gstreamer1-plugins-base packages for Red Hat Enterprise Linux 8.6 Extended Life Cycle Long Life and related variants that address this vulnerability. Users should apply these official updates as detailed in Red Hat advisory RHSA-2026:70260 and the referenced article https://access.redhat.com/articles/11258 to remediate the issue. No additional mitigation steps are indicated by the vendor.
Description
A security vulnerability in the gstreamer1-plugins-base package for Red Hat Enterprise Linux 8.6 allows arbitrary code execution due to a buffer overflow in OGG file parsing. This issue is identified as CVE-2026-18297 and is rated with high severity by Red Hat Product Security. An update addressing this vulnerability is available for affected Red Hat Enterprise Linux 8.6 variants.