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CVE-2021-3497

Published: 19 April 2021

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

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
gst-plugins-good1.0
Launchpad, Ubuntu, Debian
bionic
Released (1.14.5-0ubuntu1~18.04.2)
hirsute Not vulnerable
(1.18.4-1)
trusty Does not exist

upstream Needs triage

focal
Released (1.16.2-1ubuntu2.1)
groovy
Released (1.18.0-1ubuntu1.1)
xenial
Released (1.8.3-1ubuntu0.5)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H