CVE-2026-49975
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
08/06/2026
Last modified:
09/07/2026
Description
Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server&#39;s mod_http leads to denial of service via malicious HTTP requests.<br />
<br />
This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.
Impact
Base Score 3.x
7.50
Severity 3.x
HIGH
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* | 2.4.17 (including) | 2.4.68 (excluding) |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://httpd.apache.org/security/vulnerabilities_24.html
- http://www.openwall.com/lists/oss-security/2026/06/03/3
- http://www.openwall.com/lists/oss-security/2026/06/08/16
- https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html
- https://access.redhat.com/errata/RHSA-2026:25042
- https://access.redhat.com/errata/RHSA-2026:25057
- https://access.redhat.com/errata/RHSA-2026:25090
- https://access.redhat.com/errata/RHSA-2026:25225
- https://access.redhat.com/errata/RHSA-2026:27114
- https://access.redhat.com/errata/RHSA-2026:27200
- https://access.redhat.com/errata/RHSA-2026:27201
- https://access.redhat.com/errata/RHSA-2026:36373
- https://access.redhat.com/errata/RHSA-2026:36831
- https://access.redhat.com/errata/RHSA-2026:36846
- https://access.redhat.com/security/cve/CVE-2026-49975
- https://bugzilla.redhat.com/show_bug.cgi?id=2485371
- https://github.com/EQSTLab/CVE-2026-49975
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49975.json



