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Vulnerabilities

Vulnerability · 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 remote attackers to cause a den…

Published Aug 5, 2005 · catalog updated Jun 16, 2026 · http server

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2005-1268. EPSS is 8.39%. Act only if a listed version of http server is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
8.39%
Remediation
Version ranges on file
Affected products
cpe apache/http server · cpe redhat/enterprise linux desktop · cpe redhat/enterprise linux server · cpe redhat/enterprise linux workstation

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/http server>= 2.0.35, <= 2.0.54
  • cpe redhat/enterprise linux desktop3.0
  • cpe redhat/enterprise linux desktop4.0
  • cpe redhat/enterprise linux server3.0
  • cpe redhat/enterprise linux server4.0
  • cpe redhat/enterprise linux workstation3.0

How to fix CVE-2005-1268

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2005-1268. EPSS is 8.39%. Act only if a listed version of http server is installed.

Which versions are affected?

Compare what you have installed with apache/http server >= 2.0.35, <= 2.0.54; redhat/enterprise linux desktop 3.0; redhat/enterprise linux desktop 4.0; redhat/enterprise linux server 3.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-193. EPSS 8.39%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Apache HTTP Server security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 5, 2005 · Monitored products — critical

    Detected

    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.

  2. Jun 16, 2026 · Monitored products — critical

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2005-1268

    Official CVE identifier

    cve.org
  • Monitored products — criticalVendor advisoryCVE-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 remote attackers to cause a denial of service (child process crash) via a CRL that causes a buffer overflow of one null byte.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • Monitored products — criticalNov 4, 2026