Rocky Linux 9.6 [TuxCare] Security Update: mod_http2 Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1788178281)

high Nessus Plugin ID 360647

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 9.6 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1788178281 advisory.

- Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. (CVE-2026-43951)

- Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67. (CVE-2026-48913)

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

Solution

Update the affected mod_http2 package based on the guidance in TuxCare advisory ALMALINUX9.6:CLSA-2026:1788178281.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1788178281

http://www.nessus.org/u?d9c76ed7

Plugin Details

Severity: High

ID: 360647

File Name: tuxcare_rocky_linux_9.6_CLSA-2026-1788178281.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.8

Percentile: 22.55

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-48913

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 8/31/2026

Vulnerability Publication Date: 6/8/2026

Reference Information

CVE: CVE-2026-43951, CVE-2026-48913

CLSA: 2026:1788178281