Detections
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RockyLinux 10 : php8.4 (RLSA-2026:56969)

critical Nessus Plugin ID 338436

Synopsis

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

Description

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-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:Rocky Linux-223949)

Tenable has extracted the preceding description block directly from the RockyLinux 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://bugzilla.redhat.com/show_bug.cgi?id=2509254

https://bugzilla.redhat.com/show_bug.cgi?id=2509256

https://errata.rockylinux.org/RLSA-2026:56969

Plugin Details

Severity: Critical

ID: 338436

File Name: rocky_linux_RLSA-2026-56969.nasl

Version: 1.1

Type: Local

Published: 8/20/2026

Updated: 8/20/2026

Supported Sensors: Continuous Assessment, Nessus Agent, 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:rocky:linux:10, p-cpe:/a:rocky:linux:php8.4-bcmath-debuginfo, p-cpe:/a:rocky:linux:php8.4-bcmath, p-cpe:/a:rocky:linux:php8.4-cli-debuginfo, p-cpe:/a:rocky:linux:php8.4-cli, p-cpe:/a:rocky:linux:php8.4-common-debuginfo, p-cpe:/a:rocky:linux:php8.4-common, p-cpe:/a:rocky:linux:php8.4-dba-debuginfo, p-cpe:/a:rocky:linux:php8.4-dba, p-cpe:/a:rocky:linux:php8.4-dbg-debuginfo, p-cpe:/a:rocky:linux:php8.4-dbg, p-cpe:/a:rocky:linux:php8.4-debuginfo, p-cpe:/a:rocky:linux:php8.4-debugsource, p-cpe:/a:rocky:linux:php8.4-devel, p-cpe:/a:rocky:linux:php8.4-embedded-debuginfo, p-cpe:/a:rocky:linux:php8.4-embedded, p-cpe:/a:rocky:linux:php8.4-enchant-debuginfo, p-cpe:/a:rocky:linux:php8.4-enchant, p-cpe:/a:rocky:linux:php8.4-ffi-debuginfo, p-cpe:/a:rocky:linux:php8.4-ffi, p-cpe:/a:rocky:linux:php8.4-fpm-debuginfo, p-cpe:/a:rocky:linux:php8.4-fpm, p-cpe:/a:rocky:linux:php8.4-gd-debuginfo, p-cpe:/a:rocky:linux:php8.4-gd, p-cpe:/a:rocky:linux:php8.4-gmp-debuginfo, p-cpe:/a:rocky:linux:php8.4-gmp, p-cpe:/a:rocky:linux:php8.4-intl-debuginfo, p-cpe:/a:rocky:linux:php8.4-intl, p-cpe:/a:rocky:linux:php8.4-ldap-debuginfo, p-cpe:/a:rocky:linux:php8.4-ldap, p-cpe:/a:rocky:linux:php8.4-mbstring-debuginfo, p-cpe:/a:rocky:linux:php8.4-mbstring, p-cpe:/a:rocky:linux:php8.4-mysqlnd-debuginfo, p-cpe:/a:rocky:linux:php8.4-mysqlnd, p-cpe:/a:rocky:linux:php8.4-odbc-debuginfo, p-cpe:/a:rocky:linux:php8.4-odbc, p-cpe:/a:rocky:linux:php8.4-opcache-debuginfo, p-cpe:/a:rocky:linux:php8.4-opcache, p-cpe:/a:rocky:linux:php8.4-pdo-debuginfo, p-cpe:/a:rocky:linux:php8.4-pdo, p-cpe:/a:rocky:linux:php8.4-pgsql-debuginfo, p-cpe:/a:rocky:linux:php8.4-pgsql, p-cpe:/a:rocky:linux:php8.4-process-debuginfo, p-cpe:/a:rocky:linux:php8.4-process, p-cpe:/a:rocky:linux:php8.4-snmp-debuginfo, p-cpe:/a:rocky:linux:php8.4-snmp, p-cpe:/a:rocky:linux:php8.4-soap-debuginfo, p-cpe:/a:rocky:linux:php8.4-soap, p-cpe:/a:rocky:linux:php8.4-xml-debuginfo, p-cpe:/a:rocky:linux:php8.4-xml, p-cpe:/a:rocky:linux:php8.4

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/20/2026

Vulnerability Publication Date: 7/28/2026

Reference Information

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