USN-5575-1: Libxslt vulnerabilities

Publication date

22 August 2022

Overview

Several security issues were fixed in Libxslt.


Packages

  • libxslt - XSLT processing library

Details

Nicolas Grégoire discovered that Libxslt incorrectly handled certain XML.
An attacker could possibly use this issue to expose sensitive information
or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS.
(CVE-2019-5815)

Alexey Neyman incorrectly handled certain HTML pages.
An attacker could possibly use this issue to expose sensitive information
or execute arbitrary code. (CVE-2021-30560)

Nicolas Grégoire discovered that Libxslt incorrectly handled certain XML.
An attacker could possibly use this issue to expose sensitive information
or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS.
(CVE-2019-5815)

Alexey Neyman incorrectly handled certain HTML pages.
An attacker could possibly use this issue to expose sensitive information
or execute arbitrary code. (CVE-2021-30560)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
22.04 jammy libxslt1.1 –  1.1.34-4ubuntu0.22.04.1
20.04 focal libxslt1.1 –  1.1.34-4ubuntu0.20.04.1
18.04 bionic libxslt1.1 –  1.1.29-5ubuntu0.3

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