Out-of-bounds Read vulnerability in mod_proxy_ajp of Apache HTTP Server.

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. May 4, 2026 · NIST NVD

   Detected

   Out-of-bounds Read vulnerability in mod_proxy_ajp of Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

2. Jun 17, 2026 · NIST NVD

   Updated

   Out-of-bounds Read vulnerability in mod_proxy_ajp of Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Affected

• cpe apache/http serverversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-33857

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-33857

  Out-of-bounds Read vulnerability in mod_proxy_ajp of Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

  nvd.nist.gov

References

• Mailing List · openwall.com
• Vendor Advisory · httpd.apache.org