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NVD Vulnerability Details :
CVE-2026-34356
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 | 16:17

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie* This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the 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/2026/06/08/7af854a3a-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/2026/06/08/7
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Change History
0Changes found
Details not found