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ALSA-2026:22528 Not scored

Moderate: mod_http2 security update

The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers. Security Fix(es): * httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase (CVE-2025-53020) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Exploit probability Not scored
Published June 2, 2026
Required by Not available
Last source change June 3, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:10 mod_http2

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2026:22528

The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers. Security Fix(es): * httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase (CVE-2025-53020) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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05 / REFERENCES

Further evidence