CVE-2026-34032: Apache HTTP Server: mod_proxy_ajp: Heap Buffer Over-Read Due to Missing Null-Termination Check (ajp_msg_get_string)

Overview

Severity
Medium (CVSS 5.3)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-May
Released
2026-05-07
Last Updated
2026-05-15
EPSS Score
0.39% (percentile: 30.9%)

Affected Products (2)

Open Source Software

  • azl3 httpd 2.4.66-1 on Azure Linux 3.0
  • cbl2 httpd 2.4.66-1 on CBL Mariner 2.0

Revision History

  • 2026-05-07: Information published.
  • 2026-05-15: Information published.