Red Hat Security Advisory: gstreamer1-plugins-ugly-free security update
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) 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.
AI Analysis
Technical Summary
CVE-2026-53703 is an out-of-bounds read vulnerability in the RealMedia demuxer audio stream header parser component of the gstreamer1-plugins-ugly-free package, which is part of the GStreamer streaming media framework. This vulnerability could potentially lead to memory safety issues when processing crafted RealMedia audio streams. Red Hat has issued a security advisory (RHSA-2026:36673) providing an update to fix this issue in Red Hat Enterprise Linux 10 and its extended update support variants.
Potential Impact
The vulnerability allows out-of-bounds memory reads when parsing RealMedia audio stream headers, which may lead to application crashes or other unintended behavior. Red Hat rates this issue as moderate in severity. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released an official security update for gstreamer1-plugins-ugly-free in Red Hat Enterprise Linux 10 and its extended update support versions. Users should apply the update as described in Red Hat advisory RHSA-2026:36673 and the referenced article https://access.redhat.com/articles/11258 to remediate this vulnerability.
Red Hat Security Advisory: gstreamer1-plugins-ugly-free security update
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) 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.
CVSS v3.1
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-53703 is an out-of-bounds read vulnerability in the RealMedia demuxer audio stream header parser component of the gstreamer1-plugins-ugly-free package, which is part of the GStreamer streaming media framework. This vulnerability could potentially lead to memory safety issues when processing crafted RealMedia audio streams. Red Hat has issued a security advisory (RHSA-2026:36673) providing an update to fix this issue in Red Hat Enterprise Linux 10 and its extended update support variants.
Potential Impact
The vulnerability allows out-of-bounds memory reads when parsing RealMedia audio stream headers, which may lead to application crashes or other unintended behavior. Red Hat rates this issue as moderate in severity. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released an official security update for gstreamer1-plugins-ugly-free in Red Hat Enterprise Linux 10 and its extended update support versions. Users should apply the update as described in Red Hat advisory RHSA-2026:36673 and the referenced article https://access.redhat.com/articles/11258 to remediate this vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:36673
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a4e4ebec9d9e3dbe3285c05
Added to database: 07/08/2026, 13:21:02 UTC
Last enriched: 07/08/2026, 13:23:44 UTC
Last updated: 07/08/2026, 22:28:26 UTC
Views: 9
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