Main Vulnerability Database Vulnerabilities #VU141088

Resource exhaustion in gst-plugins-base and gstreamer - #VU141088

Published: August 6, 2026

Vulnerability identifier: #VU141088

CSH Severity: Medium

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: N/A

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to inefficient regular expression processing with quadratic time complexity in the SRT/WebVTT subtitle parser (subparse) when parsing crafted subtitle files with long lines. A remote attacker can provide a specially crafted subtitle file to cause a denial of service.

This can result in excessive CPU usage and application unresponsiveness during subtitle parsing.

Affected software

gst-plugins-base
gstreamer

Remediation

Install security update from vendor's website.

gst-plugins-base - update to 1.28.2
gstreamer - update to 1.28.2

External References

Related Security Bulletins