Bug 2486399 (CVE-2026-44631)

Summary: CVE-2026-44631 httpd: Apache HTTP Server: Denial of Service via crafted regular expressions
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Apache HTTP Server. This buffer underwrite vulnerability occurs when processing crafted regular expressions in the server's configuration. An attacker could potentially exploit this to cause a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2488322    
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Description OSIDB Bzimport 2026-06-08 16:02:06 UTC 
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.