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Fedora 43 : asterisk (2026-80b21debe7)

high Nessus Plugin ID 311157

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-80b21debe7 advisory.

 Update to Asterisk 18.26.4, addressing numerous security vulnerabilities accumulated since the long-stale 18.12.1 package. The following CVEs are fixed in this update:

 - CVE-2022-26498 (fixed in 18.13.0): use-after-free in chan_ooh323
 - CVE-2022-42705 (fixed in 18.15.0): use-after-free in res_pjsip_pubsub
 - CVE-2022-37325 (fixed in 18.15.1): crash in H323 channel via malformed IE
 - CVE-2023-37457 (fixed in 18.20.0): buffer overflow in PJSIP_HEADER function
 - CVE-2023-49294 (fixed in 18.20.1): arbitrary file read via AMI GetConfig
 - CVE-2023-49786 (fixed in 18.20.1): DTLS race condition causing DoS
 - CVE-2024-35190 (fixed in 18.23.1): unauthorized SIP requests matched as endpoint
 - CVE-2024-42365 (fixed in 18.24.2): Write=originate allows code execution
 - CVE-2024-42491 (fixed in 18.25.0): crash via malformed Contact/Record-Route URI
 - CVE-2025-49832 (fixed in 18.26.3): DoS/RCE in res_stir_shaken
 - CVE-2025-47779 (fixed in 18.26.2): identity forging via malformed From header
 - CVE-2025-1131 (fixed in 18.26.3): local privilege escalation via safe_asterisk
 - CVE-2025-54995 (fixed in 18.26.4): resource exhaustion via RTP port leak

 Also fixes F44FailsToInstall for asterisk-snmp (BZ#2433748).

Tenable has extracted the preceding description block directly from the Fedora 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 asterisk package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-80b21debe7

Plugin Details

Severity: High

ID: 311157

File Name: fedora_2026-80b21debe7.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/30/2026

Updated: 4/30/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS Score Source: CVE-2022-26651

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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:F/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7

Threat Score: 5.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N

CVSS Score Source: CVE-2025-1131

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:asterisk, cpe:/o:fedoraproject:fedora:43

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/11/2026

Vulnerability Publication Date: 4/14/2022

Reference Information

CVE: CVE-2022-26498, CVE-2022-26499, CVE-2022-26651, CVE-2022-37325, CVE-2022-42705, CVE-2023-37457, CVE-2023-49294, CVE-2023-49786, CVE-2024-35190, CVE-2024-42365, CVE-2024-42491, CVE-2025-1131, CVE-2025-47779, CVE-2025-49832, CVE-2025-54995