CVE Catalog
CVE-2026-44631
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk0.49%
39th percentile - higher than 39% of all known CVEs
Summary
Buffer Underwrite vulnerability in Apache HTTP Server when processing crafted regular expressions in configuration. Affects versions 2.4.0 through 2.4.67.
Risk Assessment
Risk of remote code execution or server crash, potentially leading to service disruption.
Recommendation
Upgrade Apache HTTP Server to version 2.4.68, which fixes the issue.
Original NVD description (English source)
Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

