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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-56154

Apache HTTP Server: mod_rewrite use-after-free via %{LA-U:HTTP:...}

Description

Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...}) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

Affected products

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

Apache Software Foundation Apache HTTP Server

Default version status: unaffected

  • 2.4.0 to ≤ 2.4.68affected

References