CVE-2026-34355

7.5 HIGH

Published: June 08, 2026 Modified: June 09, 2026

Description

A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://httpd.apache.org/security/vulnerabilities_24.html

Source: security@apache.org

Vendor Advisory

http://www.openwall.com/lists/oss-security/2026/06/08/6

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.3%

49th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-122

Affected Vendors

apache

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