CVE-2026-49975

0.0

Apache HTTP Server: mod_http2 denial of service

Overview
Vulnerability Timeline

Overview

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.

Details

INFO

Published Date :

June 8, 2026, 4:16 p.m.

Last Modified :

June 8, 2026, 6:16 p.m.

Remotely Exploit :

No

Source :

[email protected]

Impact

Affected Products

The following products are affected by CVE-2026-49975 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID	Vendor	Product	Action
1	Apache	http_server

: Total Affected Vendor : 1 | Products : 1

Solution

Update Apache HTTP Server to patch denial of service vulnerability.

Apply the latest security patch for Apache HTTP Server.
Upgrade to a fixed version of Apache HTTP Server.
Review HTTP request handling for resource exhaustion.

References

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-49975.

URL	Resource
https://httpd.apache.org/security/vulnerabilities_24.html
http://www.openwall.com/lists/oss-security/2026/06/03/3
https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-49975 is associated with the following CWEs:

CWE-789: Memory Allocation with Excessive Size Value

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-49975 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-49975 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-49975 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

CVE Modified by af854a3a-2127-422b-91ae-364da2661108

Jun. 08, 2026

Action	Type	Old Value	New Value
Added	Reference		http://www.openwall.com/lists/oss-security/2026/06/03/3
Added	Reference		https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html

New CVE Received by [email protected]