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Fencer Vulns
high 7.5

CVE-2018-11803 in the critical feed json

Subversion's mod_dav_svn Apache HTTPD module versions 1.11.0 and 1.10.0 to 1.10.3 will crash after dereferencing an uninitialized pointer i…

published 2019-02-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-3796

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
58.5%
EPSS 58.5% chance of exploitation in 30 days, percentile 99.1%
public exploits
0
none known

Summary

Subversion's mod_dav_svn Apache HTTPD module versions 1.11.0 and 1.10.0 to 1.10.3 will crash after dereferencing an uninitialized pointer if the client omits the root path in a recursive directory listing operation.

Patch / fix

  • subversion Debian 14, Debian 13, Debian 12 1.10.4-1

debian advisories DEBIAN-CVE-2018-11803

  • subversion SLE Module for Server Applications 15, SLE Module for Development Tools 15, SLE Module for Basesystem 15 1.10.0-3.3.1

suse advisories SUSE-SU-2019:0195-1

  • subversion openSUSE Tumbleweed 1.14.1-1.11
  • subversion openSUSE Leap 15.0 1.10.0-lp150.2.3.1

opensuse advisories openSUSE-SU-2024:11412-1openSUSE-SU-2019:0153-1

  • subversion Alpine 3.24, Alpine 3.23, Alpine 3.22 +13 more 1.11.1-r0
  • subversion Alpine 3.8 1.10.4-r0

alpine advisories ALPINE-CVE-2018-11803

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • subversion Arch Linux 1.11.1-1

arch linux advisories AVG-858

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-2018-11803 updated cvss 5.3

subversion: malicious SVN clients can crash mod_dav_svn

  • Red Hat Enterprise Linux 8 libserf, utf8proc, subversion, mod_dav_svn, subversion-libs, subversion-perl, +4 more
    affected: no fix planned “Will not fix”
  • Red Hat Ansible Tower 3 subversion Red Hat Enterprise Linux 5 subversion Red Hat Enterprise Linux 6 subversion, mod_dav_svn, subversion-kde, subversion-perl, subversion-ruby, subversion-gnome, +2 more Red Hat Enterprise Linux 7 subversion, mod_dav_svn, subversion-kde, subversion-libs, subversion-perl, subversion-ruby, +4 more
    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

58.45% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • Apache Software Foundation Apache Subversion

Classification

Weakness
  • CWE-824 Access of Uninitialized Pointer

References

Sources

Fencer Vulns 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.