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Ubuntu Security Notice USN-5422-1

Ubuntu Security Notice USN-5422-1
Posted May 17, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5422-1 - Shinji Sato discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, and Ubuntu 16.04 ESM. It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-23308, CVE-2022-29824
SHA-256 | 8c3c6b611abb6723add14e9eb03ff8250dbd63ea52e2453efb3197d19614ea63

Ubuntu Security Notice USN-5422-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5422-1
May 16, 2022

libxml2 vulnerabilities
==========================================================================

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

- Ubuntu 22.04 LTS
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in libxml2.

Software Description:
- libxml2: GNOME XML library

Details:

Shinji Sato discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to cause a crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 14.04 ESM, and Ubuntu 16.04 ESM. (CVE-2022-23308)

It was discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. (CVE-2022-29824)

Update instructions:

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

Ubuntu 22.04 LTS:
libxml2 2.9.13+dfsg-1ubuntu0.1
libxml2-utils 2.9.13+dfsg-1ubuntu0.1

Ubuntu 21.10:
libxml2 2.9.12+dfsg-4ubuntu0.2
libxml2-utils 2.9.12+dfsg-4ubuntu0.2

Ubuntu 20.04 LTS:
libxml2 2.9.10+dfsg-5ubuntu0.20.04.3
libxml2-utils 2.9.10+dfsg-5ubuntu0.20.04.3

Ubuntu 18.04 LTS:
libxml2 2.9.4+dfsg1-6.1ubuntu1.6
libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.6

Ubuntu 16.04 ESM:
libxml2 2.9.3+dfsg1-1ubuntu0.7+esm2
libxml2-utils 2.9.3+dfsg1-1ubuntu0.7+esm2

Ubuntu 14.04 ESM:
libxml2 2.9.1+dfsg1-3ubuntu4.13+esm3
libxml2-utils 2.9.1+dfsg1-3ubuntu4.13+esm3

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

References:
https://ubuntu.com/security/notices/USN-5422-1
CVE-2022-23308, CVE-2022-29824

Package Information:
https://launchpad.net/ubuntu/+source/libxml2/2.9.13+dfsg-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libxml2/2.9.12+dfsg-4ubuntu0.2
https://launchpad.net/ubuntu/+source/libxml2/2.9.10+dfsg-5ubuntu0.20.04.3
https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-6.1ubuntu1.6
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