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CVE-2025-3887VulnerabilityPublished Updated

Red Hat Security Advisory: gstreamer1-plugins-bad-free security update

Affects Red Hat gstreamer1-plugins-bad-freeSource GCVE Database

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Not known to be exploited.

Data as of 5 Nov 2026, 19:21 UTC

Severity
High

Rated by Threat Radar · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 May 2025

  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 5 Nov 2026.

What to do

AI-suggested

Red Hat has released updated packages for gstreamer1-plugins-bad-free in Red Hat Enterprise Linux 8 (including extended life cycle and CodeReady Linux Builder variants) that fix this vulnerability. Users should apply the security update RHSA-2025:8201 as soon as possible. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by Red Hat beyond applying the official patch.

Description

A stack-based buffer overflow vulnerability exists in the GStreamer H265 codec parsing component within the gstreamer1-plugins-bad-free package. This flaw could allow remote code execution if exploited. Red Hat has issued a security update for this vulnerability affecting Red Hat Enterprise Linux 8 and related products. The update addresses the issue by patching the vulnerable component. Users of affected Red Hat Enterprise Linux 8 versions are advised to apply the update promptly.

References

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