CVE-2021-3497
HIGHGStreamer < 1.18.4 - Use-After-Free in Matroska File Demuxing
Title source: llmDescription
GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.
References (5)
Core 5
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1945339
Vendor Advisory x_refsource_misc
https://gstreamer.freedesktop.org/security/sa-2021-0002.html
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4900
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/04/msg00027.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202208-31
Scores
CVSS v3
7.8
EPSS
0.0018
EPSS Percentile
38.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (6)
debian/debian_linux
9.0
debian/debian_linux
10.0
gstreamer/gstreamer
0.10.0 - 1.18.4
gstreamer_project/gstreamer
0.10.0 - 1.18.4
redhat/enterprise_linux
7.0
redhat/enterprise_linux
8.0
Published
Apr 19, 2021
Tracked Since
Feb 18, 2026