Overview: 1 vulnerability

WSA CVE Score Severity Issue Scope Vulnerability type Versions Fix Release date
WSA-2020-1 CVE-2020-8955 7.5
Buffer overflow on malformed IRC message 324 (channel mode). IRC Out-of-bounds write 0.3.8 → 2.7 2.7.1

WSA-2020-1: [IRC] Buffer overflow on malformed IRC message 324 (channel mode).

Vulnerability
CVE
CVE-2020-8955 [ MITRE / NVD ]
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (detail)
CVSS score
7.5 / 10
Severity
high
Vulnerability type
Out-of-bounds write (detail)
Scope
IRC
Affected versions
0.3.8 → 2.7
Fixed version
2.7.1 () - ChangeLog
Tracker
Not available
Commits
Description
Buffer overflow when receiving a malformed IRC message 324 (channel mode).
Mitigation
There is no known mitigation.
The upgrade of WeeChat to the latest stable version is highly recommended.
Credit
The issue was discovered by Stuart Nevans Locke.