What’s Vulnerable › Vulnerabilities

CVE-2022-24070: Apache Subversion mod_dav_svn is vulnerable to memory corruption

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-12 · updated 2026-06-17
• Weakness: CWE-416

Description

Subversion's mod_dav_svn is vulnerable to memory corruption. While looking up path-based authorization rules, mod_dav_svn servers may attempt to use memory which has already been freed. Affected Subversion mod_dav_svn servers 1.10.0 through 1.14.1 (inclusive). Servers that do not use mod_dav_svn are not affected.

Affected products

• Apache Software Foundation Apache Subversion: from 1.10.0 before 1.10.8; from 1.14.0 before 1.14.2 — fixed in 1.10.8, 1.14.2
• Apple macOS: from 12.0 before 12.5 — fixed in 12.5
• Debian Linux: 10.0, 11.0
• Fedoraproject Fedora: 35, 36

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Subversion 1.10.8, 1.14.2; Apple macOS 12.5. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2022/Jul/18
• https://bz.apache.org/bugzilla/show_bug.cgi?id=65861
• https://cwiki.apache.org/confluence/display/HTTPD/ModuleLife
• https://issues.apache.org/jira/browse/SVN-4880
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PZ4ARNGLMGYBKYDX2B7DRBNMF6EH3A6R/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YJPMCWCGWBN3QWCDVILWQWPC75RR67LT/
• https://support.apple.com/kb/HT213345
• https://www.debian.org/security/2022/dsa-5119
• http://seclists.org/fulldisclosure/2022/Jul/18
• https://bz.apache.org/bugzilla/show_bug.cgi?id=65861
• https://cwiki.apache.org/confluence/display/HTTPD/ModuleLife
• https://issues.apache.org/jira/browse/SVN-4880

Get alerted when CVE-2022-24070 or the next vulnerability affects your stack