Heap-based buffer overflow in gst-plugins-base and gstreamer - #VU141126
Published: August 6, 2026
Vulnerability identifier: #VU141126
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service or disclose sensitive information.
The vulnerability exists due to a heap-based buffer overflow in the encoding-target loader when parsing malformed UTF-8 input through the public encoding profile API. A local user can provide a specially crafted string containing a truncated UTF-8 sequence to cause a denial of service or disclose sensitive information.
The issue is triggered when the input ends with a truncated multi-byte UTF-8 sequence.
Affected software
gst-plugins-base
gstreamer
gstreamer
Remediation
Install security update from vendor's website.
gst-plugins-base - update to 1.28.5
gstreamer - update to 1.28.5
gstreamer - update to 1.28.5