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.
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History

Thu, 01 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title Apache HTTP Server: mod_rewrite use-after-free via %{LA-U:HTTP:...}
Weaknesses CWE-416
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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-01T16:03:52.280Z

Reserved: 2026-06-19T12:42:54.699Z

Link: CVE-2026-56154

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-01T17:17:26.610

Modified: 2026-10-01T17:17:26.610

Link: CVE-2026-56154

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses