CVE-2026-49975

7.5 HIGH

Published: June 08, 2026 Modified: June 10, 2026

Description

Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.

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/2026/06/03/3

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

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2026/06/08/16

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

Mailing List Third Party Advisory

https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html

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

Mailing List Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.5%

67th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-789

Affected Vendors

debian f5 apache

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