CVE-2014-3523: Apache HTTP Server

Medium severity, CVSS 5.0. EPSS: 16.4% chance of exploitation in the next 30 days.

Memory leak in the winnt_accept function in server/mpm/winnt/child.c in the WinNT MPM in the Apache HTTP Server 2.4.x before 2.4.10 on Windows, when the default AcceptFilter is enabled, allows remote attackers to cause a denial of service (memory consumption) via crafted requests.

Affected products

• Apache HTTP Server: version 2.4.1 only; version 2.4.2 only; version 2.4.3 only; version 2.4.4 only; version 2.4.6 only; version 2.4.7 only; …

Published 2014-07-20. Last modified 2026-06-17.