A git security update has been released for Debian GNU/Linux 11 to address multiple security issues.

DSA 5357-1: git security update

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Debian Security Advisory DSA-5357-1 security@debian.org
  https://www.debian.org/security/ Aron Xu
February 23, 2023   https://www.debian.org/security/faq
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Package : git
CVE ID : CVE-2023-22490 CVE-2023-23946
Debian Bug : 1031310

Brief introduction

CVE-2023-22490

yvvdwf found a data exfiltration vulnerbility while performing local
clone from malicious repository even using a non-local transport.

CVE-2023-23946

Joern Schneeweisz found a path traversal vulnerbility in git-apply
that a path outside the working tree can be overwritten as the acting
user.

For the stable distribution (bullseye), these problems have been fixed in
version 1:2.30.2-1+deb11u2.

We recommend that you upgrade your git packages.

For the detailed security status of git please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/git

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://www.debian.org/security/