CVE-2021-3800

Publication date 2 November 2021

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

A flaw was found in glib before version 2.63.6. Due to random charset alias, pkexec can leak content from files owned by privileged users to unprivileged ones under the right condition.

Status

Package Ubuntu Release Status
glib2.0 21.10 impish
Not affected
21.04 hirsute
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Fixed 2.56.4-0ubuntu0.18.04.9
16.04 LTS xenial
Fixed 2.48.2-0ubuntu4.8+esm1
14.04 LTS trusty
Fixed 2.40.2-0ubuntu1.1+esm4

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
glib2.0

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

Other references

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