Vulnerability · Published Apr 19, 2021 · Assigned by redhat

CVE-2021-3497

High 7.8

In plain English

A high-severity use-after-free in gstreamer-plugins-good. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.2%top 31.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8gstreamer1-plugins-good1.16.1-3.el8ALSA-2022:7618
AlmaLinux:8gstreamer1-plugins-good-gtk1.16.1-3.el8ALSA-2022:7618
Alpine:v3.20gst-plugins-good1.18.4-r0ALPINE-CVE-2021-3497
Alpine:v3.21gst-plugins-good1.18.4-r0ALPINE-CVE-2021-3497
Alpine:v3.22gst-plugins-good1.18.4-r0ALPINE-CVE-2021-3497
Alpine:v3.23gst-plugins-good1.18.4-r0ALPINE-CVE-2021-3497
Alpine:v3.24gst-plugins-good1.18.4-r0ALPINE-CVE-2021-3497
Alpine:v3.20gstreamer1.18.4-r0ALPINE-CVE-2021-3497
Alpine:v3.21gstreamer1.18.4-r0ALPINE-CVE-2021-3497
Alpine:v3.22gstreamer1.18.4-r0ALPINE-CVE-2021-3497
Alpine:v3.23gstreamer1.18.4-r0ALPINE-CVE-2021-3497
Alpine:v3.24gstreamer1.18.4-r0ALPINE-CVE-2021-3497
Debian:12gst-plugins-good1.01.18.4-2DEBIAN-CVE-2021-3497
Debian:13gst-plugins-good1.01.18.4-2DEBIAN-CVE-2021-3497
Debian:14gst-plugins-good1.01.18.4-2DEBIAN-CVE-2021-3497
Rocky Linux:8gstreamer1-plugins-good0:1.16.1-3.el8RLSA-2022:7618

Affected products (as reported)

VendorProductVersions
n/a gstreamer-plugins-good gstreamer-plugins-good 1.18.4

Weakness: CWE-416

References