CVE-2026-43951

MEDIUM EPSS 40.5%

Published Jun 8, 20263w ago · Modified Jun 17, 20261w ago

6.5 CVSS 3.1

Medium

Published Jun 8, 2026 3w ago

Last Modified Jun 17, 2026 1w ago

Description

Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

CVSS Details

Base Score

6.5

Exploitability

3.9

Impact

2.5

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality Low

Integrity Low

Availability None

Threat Intelligence

EPSS Exploit Probability

40.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 1

Vendor	Product	Version	Range
apache	http_server	*	≥2.4.0 – ≤2.4.67

References 2

openwall.com http://www.openwall.com/lists/oss-security/2026/06/08/10

Mailing ListThird Party Advisory
httpd.apache.org https://httpd.apache.org/security/vulnerabilities_24.html

Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.