Exploit for Memory Allocation with Excessive Size Value in Apache Http_Server

HTTP/2 Bomb - CVE-2026-49975 A denial-of-service DoS proof...

RHSA-2026:34355 Red Hat Security Advisory: mod_http2 security, bug fix, and enhancement update

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AlmaLinux 10 : mod_http2 (ALSA-2026:34355)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:34355 advisory. httpd: modhttp2: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service. CVE-2026-48913 httpd:...

Moderate: Red Hat Security Advisory: mod_http2 security, bug fix, and enhancement update

An update for modhttp2 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

ALSA-2026:34355 Moderate: mod_http2 security, bug fix, and enhancement update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: modhttp2: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service. CVE-2026-48913 httpd: Apache HTTP Server:...

RHEL 10 : mod_http2 (RHSA-2026:34355)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:34355 advisory. The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd:...

Oracle Linux 9 : mod_http2 (ELSA-2026-22551)

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-22551 advisory. - Resolves: RHEL-182417 - modhttp2: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 Tenable has extracted the...

Oracle Linux 9 : mod_http2 (ELSA-2026-25057)

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-25057 advisory. - Resolves: RHEL-182417 - modhttp2: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 Tenable has extracted the...

mod_http2 security update

2.0.26-6.1 - Resolves: RHEL-182417 - modhttp2: 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...

Important: mod_http2

Issue Overview: Denial of service in HTTP/2 cookie request header counting CVE-2026-49975 Affected Packages: modhttp2 Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories. Issue Correction: Ru...

Important: mod_http2

Issue Overview: Use After Free vulnerability in Apache HTTP Server module modhttp2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67. CVE-2026-48913 Denial of service in HTTP/2 cookie request header counting CVE-2026-49975 Affected Packages...

Amazon Linux 2023 : mod_http2 (ALAS2023-2026-1859)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1859 advisory. Use After Free vulnerability in Apache HTTP Server module modhttp2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67. CVE-2026-48913...

Amazon Linux 2 : mod_http2, --advisory ALAS2-2026-3372 (ALAS-2026-3372)

The version of modhttp2 installed on the remote host is prior to 2.0.42-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3372 advisory. Denial of service in HTTP/2 cookie request header counting CVE-2026-49975 Tenable has extracted the preceding description block...

AlmaLinux 10 : mod_http2 (ALSA-2026:25225)

The remote AlmaLinux 10 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:25225 advisory. httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 Tenable has extracted the preceding description block...

mod_http2 security update

An update is available for modhttp2. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of...

OESA-2026-2611 mod_http2 security update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: A vulnerability was found in Apache HTTP Server Web Server affected version not known. It has been rated as critical.Using CWE to declare the problem leads to CWE-404. Th...

RHSA-2026:25225 Red Hat Security Advisory: mod_http2 security update

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RockyLinux 9 : mod_http2 (RLSA-2026:25057)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:25057 advisory. httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 Tenable has extracted the preceding description block...

RHSA-2026:25057 Red Hat Security Advisory: mod_http2 security update

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RHEL 10 : mod_http2 (RHSA-2026:25225)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:25225 advisory. The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: HTTP/2: Remot...