CVE-2026-33857

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://httpd.apache.org/security/vulnerabilities_24.html	Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/04/15	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

History

26 Oct 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad de lectura fuera de límites en mod_proxy_ajp de Servidor HTTP Apache. Este problema afecta a Servidor HTTP Apache: hasta la versión 2.4.66. Se recomienda a los usuarios actualizar a la versión 2.4.67, que corrige el problema.

Information

Published : 2026-05-04 14:16

Updated : 2026-10-26 19:10

NVD link : CVE-2026-33857

Mitre link : CVE-2026-33857

CVE.ORG link : CVE-2026-33857

JSON object : View

Products Affected

apache

http_server

CWE

CWE-125

Out-of-bounds Read

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