CVE-2026-49975

HIGH EPSS 95.0%
Published Jun 8, 20263w ago · Modified Jun 18, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Jun 8, 2026 3w ago
Last Modified Jun 18, 2026 1w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
95.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-789

Affected Products 3

VendorProductVersionRange
apachehttp_server*≥2.4.17  –  <2.4.68
f5nginx* <1.29.8
debiandebian_linux11.0any

References 5

  • openwall.com http://www.openwall.com/lists/oss-security/2026/06/03/3
    Mailing ListThird Party Advisory
  • openwall.com http://www.openwall.com/lists/oss-security/2026/06/08/16
    Mailing ListThird Party Advisory
  • github.com https://github.com/EQSTLab/CVE-2026-49975
  • httpd.apache.org https://httpd.apache.org/security/vulnerabilities_24.html
    Vendor Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html
    Mailing ListThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.