Red Hat Security Advisory: gstreamer1-plugins-bad-free security update
Affects Red Hat gstreamer1-plugins-bad-freeSource GCVE Database
Not known to be exploited.
Data as of 5 Nov 2026, 19:32 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 27 May 2025
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 5 Nov 2026.
What to do
AI-suggested
Red Hat has released updated packages for gstreamer1-plugins-bad-free to address this vulnerability. Users of Red Hat Enterprise Linux 9 and related variants should apply the security update as described in Red Hat advisory RHSA-2025:8183 and the referenced update article (https://access.redhat.com/articles/11258). No additional mitigation steps are indicated by the vendor advisory.
Description
A security vulnerability (CVE-2025-3887) exists in the gstreamer1-plugins-bad-free package used in Red Hat Enterprise Linux 9. It involves a stack-based buffer overflow in the GStreamer H265 codec parsing component, which could allow remote code execution. Red Hat has issued an important security update to address this issue in multiple Red Hat Enterprise Linux 9 variants and architectures.