Upstream information

CVE-2026-53704 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (Red Hat) SUSE
Base Score 7.1 7.1
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction Required Required
Scope Unchanged Unchanged
Confidentiality Impact Low Low
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1268446 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP7 gstreamer-plugins-ugly Affected
SUSE Linux Enterprise Server 15 SP7 gstreamer-plugins-ugly Affected
SUSE Linux Enterprise Server 16.0 gstreamer-plugins-ugly Affected
SUSE Linux Enterprise Server 16.1 gstreamer-plugins-ugly Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 gstreamer-plugins-ugly Affected
SUSE Linux Enterprise Server for SAP applications 16.0 gstreamer-plugins-ugly Affected
SUSE Linux Enterprise Server for SAP applications 16.1 gstreamer-plugins-ugly Affected
SUSE Linux Enterprise Workstation Extension 15 SP7 gstreamer-plugins-ugly Affected
openSUSE Leap 16.0 gstreamer-plugins-ugly Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Server 15 SP6 gstreamer-plugins-ugly Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 gstreamer-plugins-ugly Affected
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Desktop 15 SP6 gstreamer-plugins-ugly Affected
SUSE Linux Enterprise Workstation Extension 15 SP6 gstreamer-plugins-ugly Affected
openSUSE Leap 15.6 gstreamer-plugins-ugly Affected


SUSE Timeline for this CVE

CVE page created: Mon Jun 15 20:00:16 2026
CVE page last modified: Wed Jun 17 20:34:31 2026