Red Hat Security Advisory: gstreamer1-plugins-ugly-free security update
Affects Red Hat gstreamer1-plugins-ugly-freeSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.1 High.
Data as of 5 Nov 2026, 22:34 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 7.1 |
|---|
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 15 Jun 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 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10gstreamer1-plugins-ugly-free | Affected– | Fixed in– |
| Red Hat Enterprise Linux 10.0 Extended Update Supportgstreamer1-plugins-ugly-free | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9gstreamer1-plugins-ugly-free | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9.6 Extended Update Supportgstreamer1-plugins-ugly-free | Affected– | Fixed in– |
| Red Hat Enterprise Linux 7gstreamer1-plugins-ugly-free | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8gstreamer1-plugins-ugly-free | Affected– | Fixed in– |
Description
GStreamer is a streaming media framework, based on graphs of elements which operate on media data. This package contains plug-ins whose license is not fully compatible with LGPL. Security Fix(es): * gstreamer1-plugins-ugly-free: GStreamer: Out-of-bounds read in RealMedia demuxer audio stream header parser (CVE-2026-53703) * gstreamer1-plugins-ugly-free: GStreamer: Out-of-bounds read in RealMedia demuxer FILEINFO metadata parser (CVE-2026-53704) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References
- access.redhat.com/errata/RHSA-2026:36674 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2487613 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2487614 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_36674.json (opens in a new tab)