7.8

CVE-2021-3497: debian debian_linux Use After Free

CVSS: 7.8v3.1HighModified
AliasesALPINE-CVE-2021-3497SUSE-SU-2021:2916-1RHSA-2022:7618
Published 19-04-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-3497 is a high (CVSS 7.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 1.22% chance of exploitation in the next 30 days, higher than 68.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
1.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 5

Timeline

  1. 19-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

1.22%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.22% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat6 products
  • enterprise_linuxEOL7.0 | 8.0
  • gstreamer1-plugins-good< 0:1.16.1-3.el8
  • gstreamer1-plugins-good-debuginfo< 0:1.16.1-3.el8
  • gstreamer1-plugins-good-debugsource< 0:1.16.1-3.el8
  • gstreamer1-plugins-good-gtk< 0:1.16.1-3.el8
Debian2 products
  • gst-plugins-good1.0< 1.18.4-2 | < 1.10.4-1+deb9u1
  • debian_linuxEOL9.0 | 10.0
Suse2 products
  • gstreamer-plugins-good&distro=SUSE Linux Enterprise Server 12 SP5< 1.8.3-16.3.1
  • gstreamer-plugins-good&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5< 1.8.3-16.3.1
Alpine1 product
  • gstreamer≥ 0.10.0, < 1.18.4-r0
Gstreamer1 product
Ubuntu1 product
  • gst-plugins-good1.0< 1.8.3-1ubuntu0.5 | < 1.14.5-0ubuntu1~18.04.2 | < 1.16.2-1ubuntu2.1

6 vendors · 13 products

References

20 links
Show all 20 references