# CVE-2026-49975

## Summary

- **CVE ID:** CVE-2026-49975
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-789
- **Published:** Jun 8, 2026
- **Last Modified:** Aug 19, 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.

## Affected Products

- Apache Software Foundation — Apache HTTP Server (2.4.17)

## References

- [CNA](https://httpd.apache.org/security/vulnerabilities_24.html)
- [CVE](https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html)
- [CVE](http://www.openwall.com/lists/oss-security/2026/06/03/3)
- [CVE](http://www.openwall.com/lists/oss-security/2026/06/08/16)
- [CISA-ADP](https://github.com/EQSTLab/CVE-2026-49975)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2026-49975)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2485371)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49975.json)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:27200)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:25225)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:25090)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:25057)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:25042)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:27201)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:27114)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:36373)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:36846)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:36831)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:50538)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:50572)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:55930)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:55992)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 31.04%
- **EPSS Percentile:** 98.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._