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RHEL 10 : php (RHSA-2026:23388)

high Nessus Plugin ID 319535

Synopsis

The remote Red Hat host is missing one or more security updates for php.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:23388 advisory.

 PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.

 Security Fix(es):

 * PHP: PHP: Denial of Service via improper handling of signed characters in ctype functions (CVE-2026-7258)

 * PHP: PHP-FPM: PHP-FPM: Cross-Site Scripting vulnerability via improper URL sanitation (CVE-2026-6735)

 * php: NULL pointer dereference in php_mb_check_encoding() via mb_ereg_search_init() (CVE-2026-7259)

 * php: NULL pointer dereference in SOAP apache:Map decoder with missing <value> (CVE-2026-7262)

 * php: signed integer overflow in metaphone() (CVE-2026-7568)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL php package based on the guidance in RHSA-2026:23388.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2468561

https://bugzilla.redhat.com/show_bug.cgi?id=2468562

https://bugzilla.redhat.com/show_bug.cgi?id=2468564

https://bugzilla.redhat.com/show_bug.cgi?id=2468565

https://bugzilla.redhat.com/show_bug.cgi?id=2468566

https://issues.redhat.com/browse/RHEL-119865

http://www.nessus.org/u?218ab7fb

https://access.redhat.com/errata/RHSA-2026:23388

Plugin Details

Severity: High

ID: 319535

File Name: redhat-RHSA-2026-23388.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/6/2026

Updated: 6/6/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2026-6735

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.5

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

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

CVSS v4

Risk Factor: High

Base Score: 8.8

Threat Score: 7.3

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:php-pgsql, p-cpe:/a:redhat:enterprise_linux:php-embedded, p-cpe:/a:redhat:enterprise_linux:php-fpm, p-cpe:/a:redhat:enterprise_linux:php-xml, p-cpe:/a:redhat:enterprise_linux:php-opcache, p-cpe:/a:redhat:enterprise_linux:php-bcmath, p-cpe:/a:redhat:enterprise_linux:php-cli, p-cpe:/a:redhat:enterprise_linux:php-devel, p-cpe:/a:redhat:enterprise_linux:php-enchant, p-cpe:/a:redhat:enterprise_linux:php-gmp, p-cpe:/a:redhat:enterprise_linux:php, p-cpe:/a:redhat:enterprise_linux:php-ffi, p-cpe:/a:redhat:enterprise_linux:php-gd, p-cpe:/a:redhat:enterprise_linux:php-mysqlnd, p-cpe:/a:redhat:enterprise_linux:php-ldap, p-cpe:/a:redhat:enterprise_linux:php-snmp, p-cpe:/a:redhat:enterprise_linux:php-dbg, p-cpe:/a:redhat:enterprise_linux:php-odbc, p-cpe:/a:redhat:enterprise_linux:php-mbstring, p-cpe:/a:redhat:enterprise_linux:php-common, p-cpe:/a:redhat:enterprise_linux:php-intl, p-cpe:/a:redhat:enterprise_linux:php-soap, p-cpe:/a:redhat:enterprise_linux:php-pdo, p-cpe:/a:redhat:enterprise_linux:php-dba, cpe:/o:redhat:enterprise_linux:10.2, p-cpe:/a:redhat:enterprise_linux:php-process

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/4/2026

Vulnerability Publication Date: 5/6/2026

Reference Information

CVE: CVE-2026-6735, CVE-2026-7258, CVE-2026-7259, CVE-2026-7262, CVE-2026-7568

CWE: 190, 476, 79, 839

RHSA: 2026:23388