CVE-2021-3497

Description

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

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory freedesktop.org
Affected: n/a gstreamer-plugins-good
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1945339 issue tracking third party advisory patch
https://gstreamer.freedesktop.org/security/sa-2021-0002.html vendor advisory
https://www.debian.org/security/2021/dsa-4900 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00027.html third party advisory mailing list
https://security.gentoo.org/glsa/202208-31 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3497?
CVE-2021-3497 has been scored as a high severity vulnerability.
How to fix CVE-2021-3497?
To fix CVE-2021-3497, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3497 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3497 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3497?
CVE-2021-3497 affects n/a gstreamer-plugins-good.
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