RHEL 10 : mod_http2 (RHSA-2025:14625)

high Nessus Plugin ID 259934

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Synopsis

The remote Red Hat host is missing a security update for mod_http2.

Description

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:14625 advisory.

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: mod_proxy_http2: untrusted input from a client causes an assertion to fail in the Apache mod_proxy_http2 module (CVE-2025-49630)

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL mod_http2 package based on the guidance in RHSA-2025:14625.

Plugin Details

Severity: High

ID: 259934

File Name: redhat-RHSA-2025-14625.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 8/31/2025

Updated: 8/31/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-49630

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10.0, p-cpe:/a:redhat:enterprise_linux:mod_http2

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 8/26/2025

Vulnerability Publication Date: 7/8/2025

Reference Information

CVE: CVE-2025-49630

CWE: 617

RHSA: 2025:14625

Detections

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