Vulnerability DatabaseCVE-2026-93546
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CVE-2026-93546
Published:October 01, 2026
Updated:October 13, 2026
Integer overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory's property database via PROPPATCH requests declaring many XML namespaces.
Affected Packages
https://github.com/apache/httpd.git (GITHUB):
Affected version(s) >=2.4.0 <2.4.69
Fix Suggestion:
Update to version 2.4.69
Related Resources (2)
http://www.openwall.com/lists/oss-security/2026/10/01/30
https://httpd.apache.org/security/vulnerabilities_24.html
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Integer Overflow or Wraparound
CWE-190
EPSS
Base Score:
0.44