USN-5575-1: Libxslt vulnerabilities

Releases

• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

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)

Update instructions

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

Ubuntu 22.04

• libxslt1.1 - 1.1.34-4ubuntu0.22.04.1

Ubuntu 20.04

• libxslt1.1 - 1.1.34-4ubuntu0.20.04.1

Ubuntu 18.04

• libxslt1.1 - 1.1.29-5ubuntu0.3

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

References

• CVE-2019-5815
• CVE-2021-30560

Related notices

• USN-5575-2: python-libxslt1, libxslt, xsltproc, libxslt1.1, libxslt1-dev