USN-5575-2: Libxslt vulnerabilities

Releases

• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• libxslt - XSLT processing library

Details

USN-5575-1 fixed vulnerabilities in Libxslt. This update provides
the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04
ESM.

Original advisory 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 16.04

• libxslt1.1 - 1.1.28-2.1ubuntu0.3+esm1
  Available with Ubuntu Pro

Ubuntu 14.04

• libxslt1.1 - 1.1.28-2ubuntu0.2+esm2
  Available with Ubuntu Pro

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

References

• CVE-2019-5815
• CVE-2021-30560

Related notices

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