Apache Software Foundation Apache HttpComponents Core

2 published vulnerabilities name this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2026-544285.5-alpha – 5.5-beta1 ; 5.0-alpha – 5.4.2Apache HttpComponents Core: HPackDecoder Unlimited Header List Size Before SETTINGS ACKHIGH 7.50.9 %
CVE-2026-543995.5-alpha – 5.5-beta1 ; 5.0-alpha – 5.4.2Apache HttpComponents Core: Unbounded HTTP Header/Line Length in Default ConfigurationHIGH 7.50.8 %