CVE-2022-2509

Publication date 1 August 2022

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.

Read the notes from the security team

Status

Package Ubuntu Release Status
gnutls28 23.04 lunar
Not affected
22.10 kinetic
Fixed 3.7.7-2ubuntu1
22.04 LTS jammy
Fixed 3.7.3-4ubuntu1.1
20.04 LTS focal
Fixed 3.6.13-2ubuntu1.7
18.04 LTS bionic
Fixed 3.5.18-1ubuntu1.6
16.04 LTS xenial
Not affected
14.04 LTS trusty Ignored end of standard support

Notes

mdeslaur

per upstream, affects 3.6.0 to 3.7.6, but code in bionic looks similar

Patch details

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

Package Patch details
gnutls28

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

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

References

Related Ubuntu Security Notices (USN)

Other references

Access our resources on patching vulnerabilities