CVE-2010-4539

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-01-07 · updated 2026-06-16
Weakness: CWE-399

Description

The walk function in repos.c in the mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.15, allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger the walking of SVNParentPath collections.

Affected products

Apache Software Foundation Apache Subversion: through 1.6.14; 0.6, 0.7, 0.8, 0.9, 0.10.0, 0.10.1 (+104)

References

http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053230.html
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://mail-archives.apache.org/mod_mbox/subversion-users/201011.mbox/%3C3923B919-C2BE-41AD-84ED-7207837FAD1A%40ncsa.illinois.edu%3E
http://mail-archives.apache.org/mod_mbox/www-announce/201011.mbox/%3CAANLkTi=5+NOi-Cp=fKCx6mAW-TofFVW=ikEQkXgQB8Bt%40mail.gmail.com%3E
http://openwall.com/lists/oss-security/2011/01/02/1
http://openwall.com/lists/oss-security/2011/01/03/9
http://openwall.com/lists/oss-security/2011/01/04/10
http://openwall.com/lists/oss-security/2011/01/04/8
http://openwall.com/lists/oss-security/2011/01/05/4
http://secunia.com/advisories/42780
http://secunia.com/advisories/42969
http://secunia.com/advisories/43115

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