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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-54399

Apache HttpComponents Core: Unbounded HTTP Header/Line Length in Default Configuration

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Status
Published
Published
Updated
Assigning organization
apache

Description

Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser 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 messages with excessive number of headers / excessive header length

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache HttpComponents Core

Default version status: unaffected

  • 5.5-alpha to ≤ 5.5-beta1affected
  • 5.0-alpha to ≤ 5.4.2affected

References