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CVE-2018-11803

Subversion's mod_dav_svn Apache HTTPD module versions 1.11.0 and 1.10.0 to 1.10.3 will crash...

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

58.5%Up 55.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2018-11803
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-824
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2018-11803
Updated
2026-11-02
EUVDEUVD-2018-3796 No score

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.

Record
EUVD-2018-3796
Updated
2026-11-03
GitHub AdvisoriesGHSA-q2m4-jgq9-q8vh 7.5

Subversion's mod_dav_svn Apache HTTPD module versions 1.11.0 and 1.10.0 to 1.10.3 will crash...

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.

Record
GHSA-q2m4-jgq9-q8vh
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-824
Updated
2026-11-02
OSVALPINE-CVE-2018-11803 7.5

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.

Record
ALPINE-CVE-2018-11803
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVBELL-CVE-2018-11803 7.5

CVE-2018-11803 does not affect BellSoft software

Record
BELL-CVE-2018-11803
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 6 moreShow less
OSV 7.5

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.

Record
CVE-2018-11803
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-11803 7.5

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.

Record
DEBIAN-CVE-2018-11803
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-11803 7.5

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.

Record
UBUNTU-CVE-2018-11803
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2019:0153-1 No score

Security update for subversion

This update for subversion fixes the following issues:

Security issue fixed:

  • CVE-2018-11803: Fixed a vulnerability that allowed malicious SVN clients to trigger a crash in mod_dav_svn by omitting the root path from a recursive directory listing request (bsc#1122842)

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2019:0153-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11412-1 No score

libsvn_auth_gnome_keyring-1-0-1.14.1-1.11 on GA media

These are all security issues fixed in the libsvn_auth_gnome_keyring-1-0-1.14.1-1.11 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11412-1
Updated
2026-11-02
OSVSUSE-SU-2019:0195-1 No score

Security update for subversion

This update for subversion fixes the following issues:

Security issue fixed:

  • CVE-2018-11803: Fixed a vulnerability that allowed malicious SVN clients to trigger a crash in mod_dav_svn by omitting the root path from a recursive directory listing request (bsc#1122842)
Record
SUSE-SU-2019:0195-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
subversion
Alpine:v3.10
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.11
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.12
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.13
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.14
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.15
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.16
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.17
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.18
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.19
 1.10.0 up to 1.11.1-r0
1.11.1-r0
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Affected packages
PackageAffectedFixed
subversion
Alpine:v3.20
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.21
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.22
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.23
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.24
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Alpine:v3.8
 1.10.0 up to 1.10.4-r0
1.10.4-r0
subversion
Alpine:v3.9
 1.10.0 up to 1.11.1-r0
1.11.1-r0
subversion
Debian:12
 before 1.10.4-1
1.10.4-1
subversion
Debian:13
 before 1.10.4-1
1.10.4-1
subversion
Debian:14
 before 1.10.4-1
1.10.4-1
subversion
SUSE:Linux Enterprise Module for Basesystem 15
 before 1.10.0-3.3.1
1.10.0-3.3.1
subversion
SUSE:Linux Enterprise Module for Development Tools 15
 before 1.10.0-3.3.1
1.10.0-3.3.1
subversion
SUSE:Linux Enterprise Module for Server Applications 15
 before 1.10.0-3.3.1
1.10.0-3.3.1
subversion
openSUSE:Leap 15.0
 before 1.10.0-lp150.2.3.1
1.10.0-lp150.2.3.1
subversion
openSUSE:Tumbleweed
From an advisory covering 6 CVEs
 before 1.14.1-1.11
1.14.1-1.11

History

History
RecordedChangedSources
affected, facts
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-11803 is a high vulnerability (CVSS 7.5) in Apache Subversion, published January 18, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 58.5%, the 99th percentile. Fixed in subversion 1.11.1-r0.

References

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