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CVE-2022-2509

Publication date 1 August 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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

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

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H