Debian Security Advisory

DLA-2646-1 subversion -- LTS security update

Date Reported:
03 May 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2020-17525.
More information:

One security issue has been discovered in subversion:

  • CVE-2020-17525:

    Subversion's mod_authz_svn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service.

For Debian 9 stretch, this problem has been fixed in version 1.9.5-1+deb9u6.

We recommend that you upgrade your subversion packages.

For the detailed security status of subversion please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: