CVE-2026-53704 (GCVE-0-2026-53704)

Vulnerability from cvelistv5 – Published: 2026-06-15 19:10 – Updated: 2026-08-05 08:42
VLAI
Title
Gstreamer1-plugins-ugly-free: gstreamer: out-of-bounds read in realmedia demuxer fileinfo metadata parser
Summary
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.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 12:46 UTC
CWE
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:36674 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50688 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50691 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-53704 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2487614 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version CPE status
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:1.24.11-1.el10_0.2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.22.12-6.el9_8.1 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:1.22.12-4.el9_6.1 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.6::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
Create a notification for this product.
Date Public
2026-06-12 00:00
Credits
Red Hat would like to thank Tianshuo Han for reporting this issue.
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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