Unscored USN-5189-1 1 CVE

A security issue was fixed in GLib

Published Dec 13, 2021 · Updated Jun 29, 2026

Ecosystem: Ubuntu

Summary

It was discovered that GLib incorrectly handled certain environment variables.
An attacker could possibly use this issue to escalate privileges.

Fixed packages 3

Release	Package	Fixed in
Ubuntu · 18.04 LTS 18.04:LTS	glib2.0	2.56.4-0ubuntu0.18.04.9
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS	glib2.0	2.40.2-0ubuntu1.1+esm4
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS	glib2.0	2.48.2-0ubuntu4.8+esm1

Vulnerabilities 1

Unscored —

CVE-2021-3800

A flaw was found in glib before version 2.63.6. Due to random charset alias, pkexec can leak content from files owned b…

glib2.0 glib2.0 Debian Ubuntu

Aug 23, 2022

References

report
https://ubuntu.com/security/CVE-2021-3800