Security Advisory

CVE-2026-54428

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-01 17:03:53

Last updated 2026-07-01 18:15:56

Assigner apache

CVSS score not scored

State PUBLISHED

Description

Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core (5.4.2 and earlier, 5.5-beta1 and earlier) allows an remote attacker to cause a denial of service through memory exhaustion by sending oversized compressed header blocks before the HTTP/2 SETTINGS acknowledgement causes the configured header list size limit to be applied.

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