Bug 2379343 (CVE-2025-53020)

Summary: CVE-2025-53020 httpd: Apache HTTP Server Memory Exhaustion
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: csutherl, hmatsumo, jclere, pjindal, plodge, szappis, vchlup
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: ---
Doc Text:
A memory exhaustion flaw has been discovered in the Apache HTTP server. In some instances, the Apache HTTP server fails to free memory. Given sufficient time, this may lead to the host operating system killing the web server in order to reclaim memory.
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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: 2379347, 2379348    
Bug Blocks:    

Description OSIDB Bzimport 2025-07-10 18:01:11 UTC
Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server.

This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63.

Users are recommended to upgrade to version 2.4.64, which fixes the issue.