CVE-2026-34032CWE-125CWE-170

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

Medium · published May 4, 2026

CVSS v3.1
5.3
EPSS
1%
Percentile
60.6
In the wild
Unconfirmed
What it is

Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server.

This issue affects Apache HTTP Server: through 2.4.66.

Users are recommended to upgrade to version 2.4.67, which fixes the issue.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00940 · 60.6th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-170 · Improper Null Termination
Published
2026-05-04T12:54Z
EPSS history
Timeline
  • 04 MAY 12:54Z
    Apache HTTP Server: mod_proxy_ajp: Heap Buffer Over-Read Due to Missing Null-Termination Check (ajp_msg_get_string)
    cvelistv5