Description
In GStreamer through 1.26.1, the isomp4 plugin's qtdemux_parse_tree function may read past the end of a heap buffer while parsing an MP4 file, leading to information disclosure.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://github.com/atredispartners/advisories/blob/master/2025/ATREDIS-2025-0003.md
Vendor Advisory
https://gstreamer.freedesktop.org/security/
Scores
CVSS v3
6.6
EPSS
0.0002
EPSS Percentile
5.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (2)
gstreamer/gstreamer
< 1.26.2
gstreamer_project/gstreamer
< 1.26.2
Published
Aug 07, 2025
Tracked Since
Feb 18, 2026