A subversion security update has been released for Debian GNU/Linux 10 and 11 to address several vulnerabilities.

DSA 5119-1: subversion security update

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Debian Security Advisory DSA-5119-1 security@debian.org
  https://www.debian.org/security/ Salvatore Bonaccorso
April 13, 2022   https://www.debian.org/security/faq
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Package : subversion
CVE ID : CVE-2021-28544 CVE-2022-24070

Several vulnerabilities were discovered in Subversion, a version control
system.

CVE-2021-28544

Evgeny Kotkov reported that Subversion servers reveal 'copyfrom'
paths that should be hidden according to configured path-based
authorization (authz) rules.

CVE-2022-24070

Thomas Weissschuh reported that Subversion's mod_dav_svn is prone to
a use-after-free vulnerability when looking up path-based
authorization rules, which can result in denial of service (crash of
HTTPD worker handling the request).

For the oldstable distribution (buster), these problems have been fixed
in version 1.10.4-1+deb10u3.

For the stable distribution (bullseye), these problems have been fixed in
version 1.14.1-3+deb11u1.

We recommend that you upgrade your subversion packages.

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

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/