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CVE-2022-29824

Publication date 3 May 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) don't check for integer overflows. This can result in out-of-bounds memory writes. Exploitation requires a victim to open a crafted, multi-gigabyte XML file. Other software using libxml2's buffer functions, for example libxslt through 1.1.35, is affected as well.

Status

Package Ubuntu Release Status
libxml2 22.04 LTS jammy
Fixed 2.9.13+dfsg-1ubuntu0.1
21.10 impish
Fixed 2.9.12+dfsg-4ubuntu0.2
20.04 LTS focal
Fixed 2.9.10+dfsg-5ubuntu0.20.04.3
18.04 LTS bionic
Fixed 2.9.4+dfsg1-6.1ubuntu1.6
16.04 LTS xenial
14.04 LTS trusty

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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
libxml2

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H