High severity · published Apr 19, 2021
CVE-2021-3498
GStreamer before 1.18.4 might cause heap corruption when parsing certain malformed Matroska files
7.8
CVSS
1.8%
EPSS
No
On KEV
Description
GStreamer before 1.18.4 might cause heap corruption when parsing 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
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
EL
Enterprise Linux · Redhat
7.0; 8.0 · source: NVD
GS
Gstreamer · Gstreamer
1.0.0 before 1.18.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3498
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3498
Third Party Advisory
http://packetstormsecurity.com/files/162952/Gstreamer-Matroska-Demuxing-Use-After-Free.html
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1945342
Vendor Advisory
https://gstreamer.freedesktop.org/security/sa-2021-0003.html
Third Party Advisory
https://security.gentoo.org/glsa/202208-31
Mailing List
https://www.debian.org/security/2021/dsa-4900
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