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NVD Vulnerability Details :
CVE-2026-34355
Analyzed
More InfoOfficial Page
Source-security@apache.org
View Known Exploited Vulnerability (KEV) details
Published At-08 Jun, 2026 | 16:16
Updated At-09 Jun, 2026 | 16:20

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches
The Apache Software Foundation
apache
>>http_server>>Versions from 2.4.0(inclusive) to 2.4.68(exclusive)
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-122Secondarysecurity@apache.org
CWE ID: CWE-122
Type: Secondary
Source: security@apache.org
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://httpd.apache.org/security/vulnerabilities_24.htmlsecurity@apache.org
Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/06/08/6af854a3a-2127-422b-91ae-364da2661108
Mailing List
Hyperlink: https://httpd.apache.org/security/vulnerabilities_24.html
Source: security@apache.org
Resource:
Vendor Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2026/06/08/6
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Change History
0Changes found
Details not found