Bug 2379389 (CVE-2025-53629)

Summary: CVE-2025-53629 cpp-httplib: cpp-httplib Unbounded Memory Allocation
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: pemensik
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
URL: https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-qjmq-h3cc-qv6w
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A memory exhaustion flaw has been discovered in cpp-httplib. cpp-httplib allows incoming requests using Transfer-Encoding: chunked in the header to allocate memory arbitrarily in the server, potentially leading to its exhaustion.
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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: 2379424, 2379426, 2379430, 2379431, 2379422    
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Description OSIDB Bzimport 2025-07-10 20:02:45 UTC
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.23.0, incoming requests using Transfer-Encoding: chunked in the header can allocate memory arbitrarily in the server, potentially leading to its exhaustion. This vulnerability is fixed in 0.23.0. NOTE: This vulnerability is related to CVE-2025-53628.