USN-5760-1: libxml2 vulnerabilities

Releases

• Ubuntu 22.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

Packages

• libxml2 - GNOME XML library

Details

It was discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to cause a crash.
(CVE-2022-2309)

It was discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to expose sensitive information
or cause a crash. (CVE-2022-40303)

It was discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2022-40304)

Update instructions

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

Ubuntu 22.10

• libxml2 - 2.9.14+dfsg-1ubuntu0.1
• libxml2-utils - 2.9.14+dfsg-1ubuntu0.1

Ubuntu 22.04

• libxml2 - 2.9.13+dfsg-1ubuntu0.2
• libxml2-utils - 2.9.13+dfsg-1ubuntu0.2

Ubuntu 20.04

• libxml2-utils - 2.9.10+dfsg-5ubuntu0.20.04.5
• libxml2 - 2.9.10+dfsg-5ubuntu0.20.04.5

Ubuntu 18.04

• libxml2-utils - 2.9.4+dfsg1-6.1ubuntu1.8
• libxml2 - 2.9.4+dfsg1-6.1ubuntu1.8

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

References

• CVE-2022-40304
• CVE-2022-40303
• CVE-2022-2309

Related notices

• USN-5760-2: libxml2-dev, libxml2, libxml2-utils, python-libxml2, libxml2-doc
• USN-6028-2: libxml2-dev, libxml2, libxml2-utils, python3-libxml2, libxml2-doc