A Git security update has been released for Ubuntu Linux 16.04 ESM.

USN-5810-3: Git vulnerabilities

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Ubuntu Security Notice USN-5810-3
February 07, 2023

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

- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in Git.

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

Details:

USN-5810-1 fixed several vulnerabilities in Git. This update provides
the corresponding update for Ubuntu 16.04 ESM.

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 16.04 ESM:
git 1:2.7.4-0ubuntu1.10+esm4

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

References:
  https://ubuntu.com/security/notices/USN-5810-3
  https://ubuntu.com/security/notices/USN-5810-1
CVE-2022-23521, CVE-2022-41903