Description
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.17, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a request for a baselined WebDAV resource, as exploited in the wild in May 2011.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | subversion | 1.6.17dfsg-1 | — |
| Debian 13 | subversion | 1.6.17dfsg-1 | — |
| Debian 12 | subversion | 1.6.17dfsg-1 | — |
| Debian 6.0 | subversion | 1.6.12dfsg-6 | DSA-2251-1 |
| Debian 5.0 | subversion | 1.5.1dfsg1-7 | DSA-2251-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | subversion +8 | 1.6.11-2.el6_1.4 | RHSA-2011:0862 |
| RHEL 5 | subversion +5 | 1.6.11-7.el5_6.4 | RHSA-2011:0862 |
| RHEL 4 | subversion +3 | 1.1.4-4.el4 | RHSA-2011:0861 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | subversion | 1.9.5-1.1 | openSUSE-SU-2024:10538-1 |
Advisories 4
- RHSA-2011:0862 Red Hat Security Advisory: subversion security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2011:0861 Red Hat Security Advisory: subversion security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2251-1 subversion - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10538-1 libsvn_auth_gnome_keyring-1-0-1.9.5-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- DSA-2251 vendor-advisory
- USN-1144-1 vendor-advisory
- http://support.apple.com/kb/HT5130
- MDVSA-2011:106 vendor-advisory
- 44849 third-party-advisory
- RHSA-2011:0862 vendor-advisory
- FEDORA-2011-8341 vendor-advisory
- 44888 third-party-advisory
- APPLE-SA-2012-02-01-1 vendor-advisory
- 45162 third-party-advisory
- 44681 third-party-advisory
- http://subversion.apache.org/security/CVE-2011-1752-advisory.txt
- 44879 third-party-advisory
- 48091 vdb-entry
- FEDORA-2011-8352 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=709111
- 44633 third-party-advisory
- oval:org.mitre.oval:def:18922 vdb-entry signature
- 1025617 vdb-entry
- http://svn.apache.org/repos/asf/subversion/tags/1.6.17/CHANGES
- RHSA-2011:0861 vendor-advisory