DEBIAN-CVE-2020-13543

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2020-13543
Downstream
DSA-4797-1
Published: 03 Dec 2020, 17:15
Last modified:19 Nov 2025, 01:01

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

03 Dec 2020, 17:15
Published
Vulnerability first disclosed
19 Nov 2025, 01:01
Last Modified
Vulnerability information updated

Description

A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code execution. An attacker can get a user to visit a webpage to trigger this vulnerability.

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Systems

  • debian•webkit2gtk

    < 2.30.3-1 | < 2.30.3-1 | < 2.30.3-1 | < 2.30.3-1

  • debian•wpewebkit

    < 2.30.3-1 | < 2.30.3-1 | < 2.30.3-1 | < 2.30.3-1

References (1)