High ELSA-2026-25057 1 CVE

Important: mod_http2 security update (Oracle Linux 9)

Published Jun 23, 2026 · Updated Jun 23, 2026

Ecosystem: Oracle Linux

Summary

[2.0.26-6.1]
- Resolves: RHEL-182417 - mod_http2: HTTP/2: Remote Denial of Service via
compression bomb and Slowloris-style attack (CVE-2026-49975)

[2.0.26-6]
- Resolves: RHEL-166293 - httpd: Apache HTTP Server: HTTP/2 DoS by Memory
Increase (CVE-2025-53020)

Fixed packages 1

Release	Package	Fixed in
Oracle Linux · 9	mod_http2	0:2.0.26-6.el9_8.1

Vulnerabilities 1

High 7.5

CVE-2026-49975 Public exploit EPSS 33%

Apache HTTP Server: mod_http2 denial of service

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.

Apache Software Foundation Apache HTTP Server apache2 apache2 Debian Ubuntu Azure Linux Alpine

Jun 8, 2026