Home/CVE/GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska f
CVE

CVE-2021-3497

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

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

HIGH · CVSS 7.8 EPSS 0.00176
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
CWE-416Use After Free
▤

Affected Products & Versions

3
gstreamer>= 0.10.0 and < 1.18.4
debian linuxall versions
redhat enterprise linuxall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Apr 2021 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:11778-1
suse-csafSUSE-SU-2023:3688-1
suse-csafopenSUSE-SU-2021:1230-1
suse-csafopenSUSE-SU-2021:2915-1
suse-csafSUSE-SU-2021:2915-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1945339Issue TrackingPatchThird Party Advisory
https://gstreamer.freedesktop.org/security/sa-2021-0002.htmlVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00027.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202208-31Third Party Advisory
https://www.debian.org/security/2021/dsa-4900Third Party Advisory
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