Out-of-bounds Write Affecting httpd-core package, versions *


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (21st percentile)

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  • Snyk IDSNYK-RHEL9-HTTPDCORE-16428781
  • published6 May 2026
  • disclosed5 May 2026

Introduced: 5 May 2026

NewCVE-2026-28780  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 httpd-core.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd-core package and not the httpd-core package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer.

This issue affects Apache HTTP Server: through 2.4.66.

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

CVSS Base Scores

version 3.1