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Ubuntu Security Notice USN-5575-2

Ubuntu Security Notice USN-5575-2
Posted Aug 23, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5575-2 - USN-5575-1 fixed vulnerabilities in Libxslt. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. 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.

tags | advisory, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-5815, CVE-2021-30560
SHA-256 | c3e917a2f49da76930b47346703072a3e4ed4b1cdc5e5783ee390d6490053456

Ubuntu Security Notice USN-5575-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5575-2
August 22, 2022

libxslt vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in Libxslt.

Software Description:
- 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 ESM:
libxslt1.1 1.1.28-2.1ubuntu0.3+esm1

Ubuntu 14.04 ESM:
libxslt1.1 1.1.28-2ubuntu0.2+esm2

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

References:
https://ubuntu.com/security/notices/USN-5575-2
https://ubuntu.com/security/notices/USN-5575-1
CVE-2019-5815, CVE-2021-30560

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