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SUSE SLES16 Security Update : php8 (SUSE-SU-2026:21612-1)

critical Nessus Plugin ID 315067

Synopsis

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

Description

The remote SUSE Linux SLES16 / SLES_SAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:21612-1 advisory.

 This update for php8 fixes the following issues

 - CVE-2025-14179: improper handling of NULL bytes by the PDO Firebird driver when preparing SQL queries can lead to SQL injection (bsc#1264778).
 - CVE-2026-6104: out-of-bounds read when processing an encoding name containing an embedded NULL byte in `mb_convert_encoding()` can lead to information disclosure and denial of service (bsc#1264777).
 - CVE-2026-6722: use-after-free in SOAP using Apache map can lead to remote code execution (bsc#1264776).
 - CVE-2026-6735: improper validation of the request URI within the PHP-FPM status page can lead to XSS (bsc#1264775).
 - CVE-2026-7258: signed `char` values passed to `ctype` functions like `isxdigit` can lead to OOB access and denial of service (bsc#1264774).
 - CVE-2026-7259: NULL pointer dereference in `php_mb_check_encoding()` via `mb_ereg_search_init()` can lead to a denial of service (bsc#1264773).
 - CVE-2026-7261: use-after-free due to incorrectly handled persistence of handler objects when SOAP_PERSISTENCE_SESSION is configured can lead to memory corruption, information disclosure and process crashes (bsc#1264772).
 - CVE-2026-7262: NULL pointer dereference caused by mistake in the SOAP decoding process when a typemap is configured can lead to a denial of service (bsc#1264771).
 - CVE-2026-7263: incorrect processing of XML data in the `DOMNode: C14N()` method can lead to an infinite loop and a denial of service (bsc#1264770).
 - CVE-2026-7568: integer overflow in the `metaphone` function can lead to undefined behavior and affect the availability of the PHPprocess (bsc#1264769).

 Other updates:

 - Updated to 8.4.21.

Tenable has extracted the preceding description block directly from the SUSE 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.suse.com/1264769

https://bugzilla.suse.com/1264770

https://bugzilla.suse.com/1264771

https://bugzilla.suse.com/1264772

https://bugzilla.suse.com/1264773

https://bugzilla.suse.com/1264774

https://bugzilla.suse.com/1264775

https://bugzilla.suse.com/1264776

https://bugzilla.suse.com/1264777

https://bugzilla.suse.com/1264778

https://lists.suse.com/pipermail/sle-updates/2026-May/046436.html

https://www.suse.com/security/cve/CVE-2025-14179

https://www.suse.com/security/cve/CVE-2026-6104

https://www.suse.com/security/cve/CVE-2026-6722

https://www.suse.com/security/cve/CVE-2026-6735

https://www.suse.com/security/cve/CVE-2026-7258

https://www.suse.com/security/cve/CVE-2026-7259

https://www.suse.com/security/cve/CVE-2026-7261

https://www.suse.com/security/cve/CVE-2026-7262

https://www.suse.com/security/cve/CVE-2026-7263

https://www.suse.com/security/cve/CVE-2026-7568

Plugin Details

Severity: Critical

ID: 315067

File Name: suse_SU-2026-21612-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/16/2026

Updated: 5/16/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2026-7261

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: 9.5

Threat Score: 9

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-6722

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:php8-mysql, p-cpe:/a:novell:suse_linux:php8-embed, p-cpe:/a:novell:suse_linux:php8-iconv, p-cpe:/a:novell:suse_linux:php8-sqlite, p-cpe:/a:novell:suse_linux:php8-sysvmsg, p-cpe:/a:novell:suse_linux:php8-soap, p-cpe:/a:novell:suse_linux:php8-fastcgi, p-cpe:/a:novell:suse_linux:php8-shmop, p-cpe:/a:novell:suse_linux:php8-phar, p-cpe:/a:novell:suse_linux:php8-xmlreader, p-cpe:/a:novell:suse_linux:php8-exif, p-cpe:/a:novell:suse_linux:php8-posix, p-cpe:/a:novell:suse_linux:php8-dba, p-cpe:/a:novell:suse_linux:php8, p-cpe:/a:novell:suse_linux:php8-gettext, p-cpe:/a:novell:suse_linux:php8-bz2, p-cpe:/a:novell:suse_linux:php8-ftp, p-cpe:/a:novell:suse_linux:php8-fpm, p-cpe:/a:novell:suse_linux:php8-zlib, p-cpe:/a:novell:suse_linux:php8-pcntl, p-cpe:/a:novell:suse_linux:php8-mbstring, p-cpe:/a:novell:suse_linux:php8-sockets, p-cpe:/a:novell:suse_linux:php8-intl, p-cpe:/a:novell:suse_linux:php8-tidy, p-cpe:/a:novell:suse_linux:php8-pgsql, p-cpe:/a:novell:suse_linux:php8-xsl, p-cpe:/a:novell:suse_linux:php8-cli, p-cpe:/a:novell:suse_linux:php8-opcache, p-cpe:/a:novell:suse_linux:php8-pdo, p-cpe:/a:novell:suse_linux:php8-ldap, p-cpe:/a:novell:suse_linux:php8-odbc, p-cpe:/a:novell:suse_linux:php8-zip, p-cpe:/a:novell:suse_linux:php8-gd, p-cpe:/a:novell:suse_linux:php8-fileinfo, p-cpe:/a:novell:suse_linux:php8-enchant, p-cpe:/a:novell:suse_linux:php8-ffi, p-cpe:/a:novell:suse_linux:php8-curl, p-cpe:/a:novell:suse_linux:php8-openssl, p-cpe:/a:novell:suse_linux:php8-devel, p-cpe:/a:novell:suse_linux:php8-bcmath, p-cpe:/a:novell:suse_linux:php8-fpm-apache, p-cpe:/a:novell:suse_linux:php8-readline, p-cpe:/a:novell:suse_linux:php8-sodium, p-cpe:/a:novell:suse_linux:php8-sysvsem, p-cpe:/a:novell:suse_linux:php8-calendar, p-cpe:/a:novell:suse_linux:php8-sysvshm, p-cpe:/a:novell:suse_linux:php8-gmp, p-cpe:/a:novell:suse_linux:apache2-mod_php8, cpe:/o:novell:suse_linux:16, p-cpe:/a:novell:suse_linux:php8-ctype, p-cpe:/a:novell:suse_linux:php8-snmp, p-cpe:/a:novell:suse_linux:php8-dom, p-cpe:/a:novell:suse_linux:php8-xmlwriter, p-cpe:/a:novell:suse_linux:php8-tokenizer

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/13/2026

Vulnerability Publication Date: 5/6/2026

Reference Information

CVE: CVE-2025-14179, CVE-2026-6104, CVE-2026-6722, CVE-2026-6735, CVE-2026-7258, CVE-2026-7259, CVE-2026-7261, CVE-2026-7262, CVE-2026-7263, CVE-2026-7568

IAVA: 2026-A-0440

SuSE: SUSE-SU-2026:21612-1