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Ubuntu: USN-5324-1 Critical: libxml2 Denial Of Service Issue

ubuntu
Calendar Grey March 14, 2022
Dist Ubuntu Esm H88
Stay safe by updating libxml2 on your Ubuntu system to fix a critical vulnerability that allows potential code execution by attackers
libxml2 could be made to crash or run programs if it opened a specially crafted file.

Summary

libxml2 could be made to crash or run programs if it opened a specially

crafted file.

Software Description:

- libxml2: GNOME XML library

Details:

It was discovered that libxml2 incorrectly handled certain XML files. An

attacker could use this issue to cause libxml2 to crash, resulting in a

denial of service, or possibly execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service security issue software update Ubuntu libxml2

Update Instructions

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

Ubuntu 21.10:
  libxml2                         2.9.12+dfsg-4ubuntu0.1
  libxml2-utils                   2.9.12+dfsg-4ubuntu0.1

Ubuntu 20.04 LTS:
  libxml2                         2.9.10+dfsg-5ubuntu0.20.04.2
  libxml2-utils                   2.9.10+dfsg-5ubuntu0.20.04.2

Ubuntu 18.04 LTS:
  libxml2                         2.9.4+dfsg1-6.1ubuntu1.5
  libxml2-utils                   2.9.4+dfsg1-6.1ubuntu1.5

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

References

https://ubuntu.com/security/notices/USN-5324-1

CVE-2022-23308

Severity
critical
Lowest
Low
Medium
High
Critical

March 14, 2022

Topics%20covered

Topics Covered

security advisory denial of service security issue software update Ubuntu libxml2

Package Information

https://launchpad.net/ubuntu/+source/libxml2/2.9.12+dfsg-4ubuntu0.1
https://launchpad.net/ubuntu/+source/libxml2/2.9.10+dfsg-5ubuntu0.20.04.2
https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-6.1ubuntu1.5

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