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High severity7.8NVD Advisory· Published Apr 19, 2021· Updated Jun 17, 2026

CVE-2021-3497

CVE-2021-3497

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

12

GStreamer/GStreamerdescription
Gstreamer/Gstreamerllm-fuzzy
Range: <1.18.4
osv-coords10 versions
pkg:rpm/almalinux/gstreamer1-plugins-good pkg:rpm/almalinux/gstreamer1-plugins-good-gtk pkg:rpm/opensuse/gstreamer-plugins-good&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/gstreamer-plugins-good&distro=openSUSE%20Leap%2015.3 pkg:rpm/suse/gstreamer-plugins-good&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/gstreamer-plugins-good&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/gstreamer-plugins-good&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/gstreamer-plugins-good&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS pkg:rpm/suse/gstreamer-plugins-good&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/gstreamer-plugins-good&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1
< 1.16.1-3.el8+ 9 more
- (no CPE)range: < 1.16.1-3.el8
- (no CPE)range: < 1.16.1-3.el8
- (no CPE)range: < 1.16.3-lp152.2.6.1
- (no CPE)range: < 1.16.3-3.6.1
- (no CPE)range: < 1.16.3-3.6.1
- (no CPE)range: < 1.16.3-3.6.1
- (no CPE)range: < 1.8.3-16.3.1
- (no CPE)range: < 1.12.5-150000.3.7.2
- (no CPE)range: < 1.8.3-16.3.1
- (no CPE)range: < 1.12.5-150000.3.7.2

Patches

Vulnerability mechanics

References

5

bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
gstreamer.freedesktop.org/security/sa-2021-0002.htmlnvdVendor Advisory
lists.debian.org/debian-lts-announce/2021/04/msg00027.htmlnvdMailing ListThird Party Advisory
security.gentoo.org/glsa/202208-31nvdThird Party Advisory
www.debian.org/security/2021/dsa-4900nvdThird Party Advisory

News mentions

0

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