Detections
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AlmaLinux 8 : httpd:2.4 (ALSA-2026:92616)
critical Nessus Plugin ID 376142
Synopsis
The remote AlmaLinux host is missing one or more security updates.Description
The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:92616 advisory.* httpd: mod_auth_digest: timing attack allows a bypass of digest authentication (CVE-2026-33006)
* httpd: httpd: HTTP response smuggling via crafted Transfer-Encoding response in mod_proxy_uwsgi (CVE-2026-63718)
* httpd: httpd: Denial of Service via integer overflow in mod_dav_fs (CVE-2026-93546)
* httpd: httpd: Authentication state corruption via concurrent Digest authentication requests (CVE-2026-73637)
* httpd: httpd: unauthorized connection to arbitrary hosts via crafted FTP PASV response (CVE-2026-63045)
* httpd: httpd: Arbitrary code execution via oversized Host header in mod_vhost_alias (CVE-2026-63292)
* httpd: httpd: mod_heartmonitor: Denial of Service via NULL pointer dereference (CVE-2026-46729)
* httpd: httpd: Authentication bypass via credential replay in mod_auth_digest (CVE-2026-73636)
* httpd: httpd: Denial of Service via charset conversion failure in mod_xml2enc (CVE-2026-63686)
* httpd: httpd: Denial of service via forged Authorization headers in mod_auth_digest (CVE-2026-48005)
* httpd: httpd: Denial of Service via mod_rewrite lookahead (CVE-2026-56154)
* httpd: httpd: Denial of Service via heap-based buffer overflow in mod_charset_lite (CVE-2026-56153)
Bug Fix(es) and Enhancement(s):
* mod_proxy_hcheck: passing health check does not recover worker from its standard error state (PROXY_WORKER_IN_ERROR) (JIRA:RHEL-256797)
Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.
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 packages.See Also
Plugin Details
Severity: Critical
ID: 376142
File Name: alma_linux_ALSA-2026-92616.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 11/4/2026
Updated: 11/4/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.9
Percentile: 96.31
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-56154
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8::sap, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:httpd-devel, p-cpe:/a:alma:linux:httpd-filesystem, p-cpe:/a:alma:linux:httpd-manual, p-cpe:/a:alma:linux:httpd-tools, p-cpe:/a:alma:linux:httpd, p-cpe:/a:alma:linux:mod_http2, p-cpe:/a:alma:linux:mod_ldap, p-cpe:/a:alma:linux:mod_md, p-cpe:/a:alma:linux:mod_proxy_html, p-cpe:/a:alma:linux:mod_session, p-cpe:/a:alma:linux:mod_ssl
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 10/29/2026
Vulnerability Publication Date: 5/4/2026
Reference Information
CVE: CVE-2026-33006, CVE-2026-46729, CVE-2026-48005, CVE-2026-56153, CVE-2026-56154, CVE-2026-63045, CVE-2026-63292, CVE-2026-63686, CVE-2026-63718, CVE-2026-73636, CVE-2026-73637, CVE-2026-93546