=========================================================================Ubuntu Security Notice USN-5810-2
January 19, 2023

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

USN-5810-1 introduced a regression in Git.

Software Description:
- git: fast, scalable, distributed revision control system

Details:

USN-5810-1 fixed vulnerabilities in Git. This update introduced a regression as it
was missing some commit lines. This update fixes the problem.

Original advisory details:

 Markus Vervier and Eric Sesterhenn discovered that Git incorrectly handled certain
 gitattributes. An attacker could possibly use this issue to cause a crash
 or execute arbitrary code. (CVE-2022-23521)

 Joern Schneeweisz discovered that Git incorrectly handled certain commands.
 An attacker could possibly use this issue to cause a crash or execute
 arbitrary code. (CVE-2022-41903)

Update instructions:

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

Ubuntu 20.04 LTS:
  git                             1:2.25.1-1ubuntu3.8

Ubuntu 18.04 LTS:
  git                             1:2.17.1-1ubuntu0.15

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

References:
  https://ubuntu.com/security/notices/USN-5810-2
  https://ubuntu.com/security/notices/USN-5810-1
  https://launchpad.net/bugs/2003246

Package Information:
  https://launchpad.net/ubuntu/+source/git/1:2.25.1-1ubuntu3.8
  https://launchpad.net/ubuntu/+source/git/1:2.17.1-1ubuntu0.15