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Fencer Intel
medium 4.3

CVE-2011-1783 json

The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz…

published 2011-06-06 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1781

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.7%
EPSS 6.7% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz short_circuit option is enabled, allows remote attackers to cause a denial of service (infinite loop and memory consumption) in opportunistic circumstances by requesting data.

Patch / fix

  • apache subversion 1.6.17
  • apple mac_os_x 10.7.3
  • subversion Debian 14, Debian 13, Debian 12 1.6.17dfsg-1

debian advisories DEBIAN-CVE-2011-1783

  • subversion RHEL 5 1.6.11-7.el5_6.4
  • subversion RHEL 6 1.6.11-2.el6_1.4
  • mod_dav_svn RHEL 5 1.6.11-7.el5_6.4
  • mod_dav_svn RHEL 6 1.6.11-2.el6_1.4
  • subversion-kde RHEL 6 1.6.11-2.el6_1.4
  • subversion-perl RHEL 5 1.6.11-7.el5_6.4
  • subversion-perl RHEL 6 1.6.11-2.el6_1.4
  • subversion-ruby RHEL 5 1.6.11-7.el5_6.4

red hat advisories RHSA-2011:0862

  • subversion openSUSE Tumbleweed 1.9.5-1.1

opensuse advisories openSUSE-SU-2024:10538-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-1783 updated cvss 4.3

(mod_dav_svn): DoS (excessive memory use) when configured to provide path-based access control

  • Red Hat Enterprise Linux (v. 5.6.z server) subversion 1.6.11-7.el5_6.4, mod_dav_svn 1.6.11-7.el5_6.4, subversion-perl 1.6.11-7.el5_6.4, subversion-ruby 1.6.11-7.el5_6.4, subversion-javahl 1.6.11-7.el5_6.4 Red Hat Enterprise Linux Server (v. 6) subversion 1.6.11-2.el6_1.4, mod_dav_svn 1.6.11-2.el6_1.4, subversion-javahl 1.6.11-2.el6_1.4 Red Hat Enterprise Linux Server Optional (v. 6) subversion 1.6.11-2.el6_1.4, subversion-kde 1.6.11-2.el6_1.4, subversion-perl 1.6.11-2.el6_1.4, subversion-ruby 1.6.11-2.el6_1.4, subversion-gnome 1.6.11-2.el6_1.4, subversion-javahl 1.6.11-2.el6_1.4, +1 more
    fixed: vendor fix RHSA-2011:0862
  • Red Hat Enterprise Linux 4 subversion
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

6.74% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.