8.8

CVE-2020-13558: webkitgtk Use After Free

CVSS: 8.8v3.0HighModified
AliasesMGASA-2021-0107SUSE-SU-2021:0536-1SUSE-SU-2021:0583-1
Published 03-03-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-13558 is a high (CVSS 8.8) Use After Free vulnerability in webkitgtk. EPSS estimates a 1.86% chance of exploitation in the next 30 days, higher than 78.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
46/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (CVE.org)
EPSS score
1.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 4 · Related 2

Timeline

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

Description

A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free.

CVSS metrics

7 scores · 4 sources · 3 versions

EPSS trend

Probability

1.86%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.86% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.86%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (talosintelligence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Suse15 products
  • webkit2gtk3&distro=SUSE Enterprise Storage 6< 2.30.5-3.66.1
  • webkit2gtk3&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS< 2.30.5-3.66.1
  • webkit2gtk3&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 2.30.5-3.66.1
  • webkit2gtk3&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS< 2.30.5-3.66.1
  • webkit2gtk3&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS< 2.30.5-3.66.1
Ubuntu5 products
  • qtwebkit-opensource-srcAll versions (No fix recorded)
  • qtwebkit-sourceAll versions (No fix recorded)
  • webkit2gtkAll versions (No fix recorded) | < 2.30.5-0ubuntu0.18.04.1 | < 2.30.5-0ubuntu0.20.04.1
  • webkitgtkAll versions (No fix recorded)
  • wpewebkitAll versions (No fix recorded)
Debian2 products
  • webkit2gtk< 2.30.5-1 | < 2.30.5-1~deb10u1
  • wpewebkit< 2.30.5-1
Mageia2 products
  • webkit2< 2.30.5-1.mga7
  • webkit2< 2.30.5-1.mga8
Opensuse1 product
  • webkit2gtk3&distro=openSUSE Leap 15.2< 2.30.5-lp152.2.10.5
Webkitgtk1 product

6 vendors · 26 products

References

16 links
Show all 16 references