CVE-2021-3497 Information

Description

GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://gstreamer.freedesktop.org/security/sa-2021-0002.html https://bugzilla.redhat.com/show_bug.cgi?id=1945339 https://www.debian.org/security/2021/dsa-4900 https://lists.debian.org/debian-lts-announce/2021/04/msg00027.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8