Detections
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AlmaLinux 10 : php8.4 (ALSA-2026:56969)

critical Nessus Plugin ID 338321

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Synopsis

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

Description

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:56969 advisory.

 * php: ext-pgsql: PHP: SQL injection via improper backslash escaping (CVE-2026-17543)
 * php: PHP: Arbitrary code execution via out-of-bounds write in bccomp() (CVE-2026-17544)


 Bug Fix(es) and Enhancement(s):

 * Rebase PHP to 8.4.24 for CVE-2026-17543 and CVE-2026-7260 and CVE-2026-17544 in 10.2.z (JIRA:AlmaLinux-223949)

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

https://access.redhat.com/errata/RHSA-2026:56969

https://errata.almalinux.org/10/ALSA-2026-56969.html

Plugin Details

Severity: Critical

ID: 338321

File Name: alma_linux_ALSA-2026-56969.nasl

Version: 1.1

Type: Local

Published: 8/20/2026

Updated: 8/20/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.37

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-2026-17544

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.9

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

CPE: cpe:/o:alma:linux:10, cpe:/o:alma:linux:10::appstream, cpe:/o:alma:linux:10::baseos, cpe:/o:alma:linux:10::highavailability, cpe:/o:alma:linux:10::nfv, cpe:/o:alma:linux:10::powertools, cpe:/o:alma:linux:10::realtime, cpe:/o:alma:linux:10::resilientstorage, cpe:/o:alma:linux:10::sap, cpe:/o:alma:linux:10::sap_hana, cpe:/o:alma:linux:10::supplementary, p-cpe:/a:alma:linux:php8.4-bcmath, p-cpe:/a:alma:linux:php8.4-cli, p-cpe:/a:alma:linux:php8.4-common, p-cpe:/a:alma:linux:php8.4-dba, p-cpe:/a:alma:linux:php8.4-dbg, p-cpe:/a:alma:linux:php8.4-devel, p-cpe:/a:alma:linux:php8.4-embedded, p-cpe:/a:alma:linux:php8.4-enchant, p-cpe:/a:alma:linux:php8.4-ffi, p-cpe:/a:alma:linux:php8.4-fpm, p-cpe:/a:alma:linux:php8.4-gd, p-cpe:/a:alma:linux:php8.4-gmp, p-cpe:/a:alma:linux:php8.4-intl, p-cpe:/a:alma:linux:php8.4-ldap, p-cpe:/a:alma:linux:php8.4-mbstring, p-cpe:/a:alma:linux:php8.4-mysqlnd, p-cpe:/a:alma:linux:php8.4-odbc, p-cpe:/a:alma:linux:php8.4-opcache, p-cpe:/a:alma:linux:php8.4-pdo, p-cpe:/a:alma:linux:php8.4-pgsql, p-cpe:/a:alma:linux:php8.4-process, p-cpe:/a:alma:linux:php8.4-snmp, p-cpe:/a:alma:linux:php8.4-soap, p-cpe:/a:alma:linux:php8.4-xml, p-cpe:/a:alma:linux:php8.4

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: 8/19/2026

Vulnerability Publication Date: 7/28/2026

Reference Information

CVE: CVE-2026-17543, CVE-2026-17544

CWE: 787, 89

RHSA: 2026:56969