Bug 2571739 (CVE-2026-106023)

Summary: CVE-2026-106023 httpd: httpd: Denial of Service via NULL pointer dereference in mod_md
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: csutherl, jclere, pjindal, plodge, rhel-process-autobot, szappis, vchlup, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in the mod_md module of the Apache HTTP Server. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP request during request processing, triggering a NULL pointer dereference. Successful exploitation causes server worker processes to crash, resulting in a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-11-11 15:01:25 UTC
NULL pointer dereference vulnerability in Apache HTTP Server's mod_md during HTTP request processing.



This issue affects Apache HTTP Server: from 2.4.30 through 2.4.69.