Out-of-bounds Read vulnerability in mod_proxy_ajp of

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.

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Fixes

Solution

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Workaround

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History

Mon, 04 May 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache apache Http Server
Vendors & Products Apache
Apache apache Http Server

Mon, 04 May 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 04 May 2026 13:30:00 +0000

Type Values Removed Values Added
Description Out-of-bounds Read vulnerability in mod_proxy_ajp of 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.
Title Apache HTTP Server: Off-by-one OOB reads in AJP getter functions
Weaknesses CWE-125
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-05-04T17:32:50.362Z

Reserved: 2026-03-24T09:20:11.213Z

Link: CVE-2026-33857

cve-icon Vulnrichment

Updated: 2026-05-04T13:56:41.119Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-05-04T14:16:33.253

Modified: 2026-05-04T15:21:58.203

Link: CVE-2026-33857

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-04T16:00:04Z

Weaknesses