CVE-2026-53704
CVE-2026-53704: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.1
High [CVE-2026-53704] out-of-bounds read in realmedia demuxer fileinfo metadata parser
CVE-2026-53704Source published Source updated
A flaw was found in GStreamer's RealMedia demuxer in the gst-plugins-ugly package. When processing a RealMedia file containing a specially crafted FILEINFO metadata section, the demuxer parses variable-name and variable-value pairs using re_skip_pascal_string() without validating that offsets remain within the mapped buffer. Additionally, the element count controlling the parsing loop is read from attacker-controlled data without validation, which can cause an infinite loop. A crafted RealMedia file can cause the application to crash, hang, or potentially read limited adjacent memory contents. This flaw affects gstreamer1-plugins-ugly-free as shipped in Red Hat Enterprise Linux. RealMedia is a legacy container format with limited real-world usage. The upstream maintainer confirmed only…
- Affected products in this advisory
- Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Enterprise Linux 9.6 Extended Update Support
- Red Hat package: gstreamer1-plugins-ugly-free
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- gstreamer1-plugins-ugly-free-0:1.24.11-1.el10_0.2
- gstreamer1-plugins-ugly-free-0:1.22.12-6.el9_8.1
- gstreamer1-plugins-ugly-free-0:1.22.12-4.el9_6.1
- RHSA-2026:50688
2 more entries in the full advisory.
- Mitigation guidance
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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