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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS / 26.10 : PHP vulnerabilities (USN-8936-1)

medium Nessus Plugin ID 367753

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Synopsis

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

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS / 26.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8936-1 advisory.

 It was discovered that PHP did not properly validate the size of MySQL server packets in the mysqlnd driver. A malicious server could possibly use this issue to cause PHP to crash, resulting in a denial of service. This issue was only addressed in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. (CVE-2025-1218)

 It was discovered that PHP incorrectly handled response buffer sizes in the SOAP HTTP client. A malicious server could possibly use this issue to cause PHP to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2025-14181)

 It was discovered that PHP incorrectly handled certain TAR archive headers in the Phar extension. An attacker could possibly use this issue to inject arbitrary files into a crafted archive. (CVE-2026-6103)

 It was discovered that PHP did not limit recursion depth when parsing certain SOAP requests. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service.
 (CVE-2026-91765)

 It was discovered that PHP incorrectly handled authentication headers when following HTTP redirects. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-91766)

 It was discovered that PHP incorrectly handled wildcard names in TLS server certificates. A malicious server could possibly use this issue to cause PHP to crash, resulting in a denial of service. This issue did not affect Ubuntu 14.04 LTS. (CVE-2026-91767)

 It was discovered that PHP incorrectly validated IPv6 client addresses in the FastCGI client access check.
 A remote attacker could possibly use this issue to bypass access restrictions. This issue did not affect Ubuntu 14.04 LTS. (CVE-2026-91768)

 It was discovered that PHP incorrectly performed TLS peer name verification. A remote attacker could possibly use this issue to impersonate a trusted server. (CVE-2026-91769)

 It was discovered that PHP incorrectly handled certain stream filter options. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-92842)

 It was discovered that PHP incorrectly handled empty Location headers when following HTTP redirects. A malicious server could possibly use this issue to redirect the client to an unintended location. This issue did not affect Ubuntu 14.04 LTS. (CVE-2026-93682)

Tenable has extracted the preceding description block directly from the Ubuntu 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://ubuntu.com/security/notices/USN-8936-1

Plugin Details

Severity: Medium

ID: 367753

File Name: ubuntu_USN-8936-1.nasl

Version: 1.4

Type: Local

Agent: unix

Published: 10/20/2026

Updated: 10/26/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.46

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.2

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

CVSS Score Source: CVE-2026-91766

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.10, p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-php5, p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-php5filter, p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-php7.0, p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-php7.2, p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-php7.4, p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-php8.0, p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-php8.1, p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-php8.3, p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-php8.5, p-cpe:/a:canonical:ubuntu_linux:libphp5-embed, p-cpe:/a:canonical:ubuntu_linux:libphp7.0-embed, p-cpe:/a:canonical:ubuntu_linux:libphp7.2-embed, p-cpe:/a:canonical:ubuntu_linux:libphp7.4-embed, p-cpe:/a:canonical:ubuntu_linux:libphp8.1-embed, p-cpe:/a:canonical:ubuntu_linux:libphp8.3-embed, p-cpe:/a:canonical:ubuntu_linux:libphp8.5-embed, p-cpe:/a:canonical:ubuntu_linux:php-pear, p-cpe:/a:canonical:ubuntu_linux:php5-cgi, p-cpe:/a:canonical:ubuntu_linux:php5-cli, p-cpe:/a:canonical:ubuntu_linux:php5-common, p-cpe:/a:canonical:ubuntu_linux:php5-curl, p-cpe:/a:canonical:ubuntu_linux:php5-enchant, p-cpe:/a:canonical:ubuntu_linux:php5-fpm, p-cpe:/a:canonical:ubuntu_linux:php5-gd, p-cpe:/a:canonical:ubuntu_linux:php5-gmp, p-cpe:/a:canonical:ubuntu_linux:php5-intl, p-cpe:/a:canonical:ubuntu_linux:php5-ldap, p-cpe:/a:canonical:ubuntu_linux:php5-mysql, p-cpe:/a:canonical:ubuntu_linux:php5-mysqlnd, p-cpe:/a:canonical:ubuntu_linux:php5-odbc, p-cpe:/a:canonical:ubuntu_linux:php5-pgsql, p-cpe:/a:canonical:ubuntu_linux:php5-pspell, p-cpe:/a:canonical:ubuntu_linux:php5-readline, p-cpe:/a:canonical:ubuntu_linux:php5-recode, p-cpe:/a:canonical:ubuntu_linux:php5-snmp, p-cpe:/a:canonical:ubuntu_linux:php5-sqlite, p-cpe:/a:canonical:ubuntu_linux:php5-sybase, p-cpe:/a:canonical:ubuntu_linux:php5-tidy, p-cpe:/a:canonical:ubuntu_linux:php5-xmlrpc, p-cpe:/a:canonical:ubuntu_linux:php5-xsl, p-cpe:/a:canonical:ubuntu_linux:php5, p-cpe:/a:canonical:ubuntu_linux:php7.0-bcmath, p-cpe:/a:canonical:ubuntu_linux:php7.0-bz2, p-cpe:/a:canonical:ubuntu_linux:php7.0-cgi, p-cpe:/a:canonical:ubuntu_linux:php7.0-cli, p-cpe:/a:canonical:ubuntu_linux:php7.0-common, p-cpe:/a:canonical:ubuntu_linux:php7.0-curl, p-cpe:/a:canonical:ubuntu_linux:php7.0-dba, p-cpe:/a:canonical:ubuntu_linux:php7.0-enchant, p-cpe:/a:canonical:ubuntu_linux:php7.0-fpm, p-cpe:/a:canonical:ubuntu_linux:php7.0-gd, p-cpe:/a:canonical:ubuntu_linux:php7.0-gmp, p-cpe:/a:canonical:ubuntu_linux:php7.0-imap, p-cpe:/a:canonical:ubuntu_linux:php7.0-interbase, p-cpe:/a:canonical:ubuntu_linux:php7.0-intl, p-cpe:/a:canonical:ubuntu_linux:php7.0-json, p-cpe:/a:canonical:ubuntu_linux:php7.0-ldap, p-cpe:/a:canonical:ubuntu_linux:php7.0-mbstring, p-cpe:/a:canonical:ubuntu_linux:php7.0-mcrypt, p-cpe:/a:canonical:ubuntu_linux:php7.0-mysql, p-cpe:/a:canonical:ubuntu_linux:php7.0-odbc, p-cpe:/a:canonical:ubuntu_linux:php7.0-opcache, p-cpe:/a:canonical:ubuntu_linux:php7.0-pgsql, p-cpe:/a:canonical:ubuntu_linux:php7.0-phpdbg, p-cpe:/a:canonical:ubuntu_linux:php7.0-pspell, p-cpe:/a:canonical:ubuntu_linux:php7.0-readline, p-cpe:/a:canonical:ubuntu_linux:php7.0-recode, p-cpe:/a:canonical:ubuntu_linux:php7.0-snmp, p-cpe:/a:canonical:ubuntu_linux:php7.0-soap, p-cpe:/a:canonical:ubuntu_linux:php7.0-sqlite3, p-cpe:/a:canonical:ubuntu_linux:php7.0-sybase, p-cpe:/a:canonical:ubuntu_linux:php7.0-tidy, p-cpe:/a:canonical:ubuntu_linux:php7.0-xml, p-cpe:/a:canonical:ubuntu_linux:php7.0-xmlrpc, p-cpe:/a:canonical:ubuntu_linux:php7.0-xsl, p-cpe:/a:canonical:ubuntu_linux:php7.0-zip, p-cpe:/a:canonical:ubuntu_linux:php7.0, p-cpe:/a:canonical:ubuntu_linux:php7.2-bcmath, p-cpe:/a:canonical:ubuntu_linux:php7.2-bz2, p-cpe:/a:canonical:ubuntu_linux:php7.2-cgi, p-cpe:/a:canonical:ubuntu_linux:php7.2-cli, p-cpe:/a:canonical:ubuntu_linux:php7.2-common, p-cpe:/a:canonical:ubuntu_linux:php7.2-curl, p-cpe:/a:canonical:ubuntu_linux:php7.2-dba, p-cpe:/a:canonical:ubuntu_linux:php7.2-enchant, p-cpe:/a:canonical:ubuntu_linux:php7.2-fpm, p-cpe:/a:canonical:ubuntu_linux:php7.2-gd, p-cpe:/a:canonical:ubuntu_linux:php7.2-gmp, p-cpe:/a:canonical:ubuntu_linux:php7.2-imap, p-cpe:/a:canonical:ubuntu_linux:php7.2-interbase, p-cpe:/a:canonical:ubuntu_linux:php7.2-intl, p-cpe:/a:canonical:ubuntu_linux:php7.2-json, p-cpe:/a:canonical:ubuntu_linux:php7.2-ldap, p-cpe:/a:canonical:ubuntu_linux:php7.2-mbstring, p-cpe:/a:canonical:ubuntu_linux:php7.2-mysql, p-cpe:/a:canonical:ubuntu_linux:php7.2-odbc, p-cpe:/a:canonical:ubuntu_linux:php7.2-opcache, p-cpe:/a:canonical:ubuntu_linux:php7.2-pgsql, p-cpe:/a:canonical:ubuntu_linux:php7.2-phpdbg, p-cpe:/a:canonical:ubuntu_linux:php7.2-pspell, p-cpe:/a:canonical:ubuntu_linux:php7.2-readline, p-cpe:/a:canonical:ubuntu_linux:php7.2-recode, p-cpe:/a:canonical:ubuntu_linux:php7.2-snmp, p-cpe:/a:canonical:ubuntu_linux:php7.2-soap, p-cpe:/a:canonical:ubuntu_linux:php7.2-sqlite3, p-cpe:/a:canonical:ubuntu_linux:php7.2-sybase, p-cpe:/a:canonical:ubuntu_linux:php7.2-tidy, p-cpe:/a:canonical:ubuntu_linux:php7.2-xml, p-cpe:/a:canonical:ubuntu_linux:php7.2-xmlrpc, p-cpe:/a:canonical:ubuntu_linux:php7.2-xsl, p-cpe:/a:canonical:ubuntu_linux:php7.2-zip, p-cpe:/a:canonical:ubuntu_linux:php7.2, p-cpe:/a:canonical:ubuntu_linux:php7.4-bcmath, p-cpe:/a:canonical:ubuntu_linux:php7.4-bz2, p-cpe:/a:canonical:ubuntu_linux:php7.4-cgi, p-cpe:/a:canonical:ubuntu_linux:php7.4-cli, p-cpe:/a:canonical:ubuntu_linux:php7.4-common, p-cpe:/a:canonical:ubuntu_linux:php7.4-curl, p-cpe:/a:canonical:ubuntu_linux:php7.4-dba, p-cpe:/a:canonical:ubuntu_linux:php7.4-enchant, p-cpe:/a:canonical:ubuntu_linux:php7.4-fpm, p-cpe:/a:canonical:ubuntu_linux:php7.4-gd, p-cpe:/a:canonical:ubuntu_linux:php7.4-gmp, p-cpe:/a:canonical:ubuntu_linux:php7.4-imap, p-cpe:/a:canonical:ubuntu_linux:php7.4-interbase, p-cpe:/a:canonical:ubuntu_linux:php7.4-intl, p-cpe:/a:canonical:ubuntu_linux:php7.4-json, p-cpe:/a:canonical:ubuntu_linux:php7.4-ldap, p-cpe:/a:canonical:ubuntu_linux:php7.4-mbstring, p-cpe:/a:canonical:ubuntu_linux:php7.4-mysql, p-cpe:/a:canonical:ubuntu_linux:php7.4-odbc, p-cpe:/a:canonical:ubuntu_linux:php7.4-opcache, p-cpe:/a:canonical:ubuntu_linux:php7.4-pgsql, p-cpe:/a:canonical:ubuntu_linux:php7.4-phpdbg, p-cpe:/a:canonical:ubuntu_linux:php7.4-pspell, p-cpe:/a:canonical:ubuntu_linux:php7.4-readline, p-cpe:/a:canonical:ubuntu_linux:php7.4-snmp, p-cpe:/a:canonical:ubuntu_linux:php7.4-soap, p-cpe:/a:canonical:ubuntu_linux:php7.4-sqlite3, p-cpe:/a:canonical:ubuntu_linux:php7.4-sybase, p-cpe:/a:canonical:ubuntu_linux:php7.4-tidy, p-cpe:/a:canonical:ubuntu_linux:php7.4-xml, p-cpe:/a:canonical:ubuntu_linux:php7.4-xmlrpc, p-cpe:/a:canonical:ubuntu_linux:php7.4-xsl, p-cpe:/a:canonical:ubuntu_linux:php7.4-zip, p-cpe:/a:canonical:ubuntu_linux:php7.4, p-cpe:/a:canonical:ubuntu_linux:php8.1-bcmath, p-cpe:/a:canonical:ubuntu_linux:php8.1-bz2, p-cpe:/a:canonical:ubuntu_linux:php8.1-cgi, p-cpe:/a:canonical:ubuntu_linux:php8.1-cli, p-cpe:/a:canonical:ubuntu_linux:php8.1-common, p-cpe:/a:canonical:ubuntu_linux:php8.1-curl, p-cpe:/a:canonical:ubuntu_linux:php8.1-dba, p-cpe:/a:canonical:ubuntu_linux:php8.1-enchant, p-cpe:/a:canonical:ubuntu_linux:php8.1-fpm, p-cpe:/a:canonical:ubuntu_linux:php8.1-gd, p-cpe:/a:canonical:ubuntu_linux:php8.1-gmp, p-cpe:/a:canonical:ubuntu_linux:php8.1-imap, p-cpe:/a:canonical:ubuntu_linux:php8.1-interbase, p-cpe:/a:canonical:ubuntu_linux:php8.1-intl, p-cpe:/a:canonical:ubuntu_linux:php8.1-ldap, p-cpe:/a:canonical:ubuntu_linux:php8.1-mbstring, p-cpe:/a:canonical:ubuntu_linux:php8.1-mysql, p-cpe:/a:canonical:ubuntu_linux:php8.1-odbc, p-cpe:/a:canonical:ubuntu_linux:php8.1-opcache, p-cpe:/a:canonical:ubuntu_linux:php8.1-pgsql, p-cpe:/a:canonical:ubuntu_linux:php8.1-phpdbg, p-cpe:/a:canonical:ubuntu_linux:php8.1-pspell, p-cpe:/a:canonical:ubuntu_linux:php8.1-readline, p-cpe:/a:canonical:ubuntu_linux:php8.1-snmp, p-cpe:/a:canonical:ubuntu_linux:php8.1-soap, p-cpe:/a:canonical:ubuntu_linux:php8.1-sqlite3, p-cpe:/a:canonical:ubuntu_linux:php8.1-sybase, p-cpe:/a:canonical:ubuntu_linux:php8.1-tidy, p-cpe:/a:canonical:ubuntu_linux:php8.1-xml, p-cpe:/a:canonical:ubuntu_linux:php8.1-xsl, p-cpe:/a:canonical:ubuntu_linux:php8.1-zip, p-cpe:/a:canonical:ubuntu_linux:php8.1, p-cpe:/a:canonical:ubuntu_linux:php8.3-bcmath, p-cpe:/a:canonical:ubuntu_linux:php8.3-bz2, p-cpe:/a:canonical:ubuntu_linux:php8.3-cgi, p-cpe:/a:canonical:ubuntu_linux:php8.3-cli, p-cpe:/a:canonical:ubuntu_linux:php8.3-common, p-cpe:/a:canonical:ubuntu_linux:php8.3-curl, p-cpe:/a:canonical:ubuntu_linux:php8.3-dba, p-cpe:/a:canonical:ubuntu_linux:php8.3-enchant, p-cpe:/a:canonical:ubuntu_linux:php8.3-fpm, p-cpe:/a:canonical:ubuntu_linux:php8.3-gd, p-cpe:/a:canonical:ubuntu_linux:php8.3-gmp, p-cpe:/a:canonical:ubuntu_linux:php8.3-imap, p-cpe:/a:canonical:ubuntu_linux:php8.3-interbase, p-cpe:/a:canonical:ubuntu_linux:php8.3-intl, p-cpe:/a:canonical:ubuntu_linux:php8.3-ldap, p-cpe:/a:canonical:ubuntu_linux:php8.3-mbstring, p-cpe:/a:canonical:ubuntu_linux:php8.3-mysql, p-cpe:/a:canonical:ubuntu_linux:php8.3-odbc, p-cpe:/a:canonical:ubuntu_linux:php8.3-opcache, p-cpe:/a:canonical:ubuntu_linux:php8.3-pgsql, p-cpe:/a:canonical:ubuntu_linux:php8.3-phpdbg, p-cpe:/a:canonical:ubuntu_linux:php8.3-pspell, p-cpe:/a:canonical:ubuntu_linux:php8.3-readline, p-cpe:/a:canonical:ubuntu_linux:php8.3-snmp, p-cpe:/a:canonical:ubuntu_linux:php8.3-soap, p-cpe:/a:canonical:ubuntu_linux:php8.3-sqlite3, p-cpe:/a:canonical:ubuntu_linux:php8.3-sybase, p-cpe:/a:canonical:ubuntu_linux:php8.3-tidy, p-cpe:/a:canonical:ubuntu_linux:php8.3-xml, p-cpe:/a:canonical:ubuntu_linux:php8.3-xsl, p-cpe:/a:canonical:ubuntu_linux:php8.3-zip, p-cpe:/a:canonical:ubuntu_linux:php8.3, p-cpe:/a:canonical:ubuntu_linux:php8.5-bcmath, p-cpe:/a:canonical:ubuntu_linux:php8.5-bz2, p-cpe:/a:canonical:ubuntu_linux:php8.5-cgi, p-cpe:/a:canonical:ubuntu_linux:php8.5-cli, p-cpe:/a:canonical:ubuntu_linux:php8.5-common, p-cpe:/a:canonical:ubuntu_linux:php8.5-curl, p-cpe:/a:canonical:ubuntu_linux:php8.5-dba, p-cpe:/a:canonical:ubuntu_linux:php8.5-enchant, p-cpe:/a:canonical:ubuntu_linux:php8.5-fpm, p-cpe:/a:canonical:ubuntu_linux:php8.5-gd, p-cpe:/a:canonical:ubuntu_linux:php8.5-gmp, p-cpe:/a:canonical:ubuntu_linux:php8.5-interbase, p-cpe:/a:canonical:ubuntu_linux:php8.5-intl, p-cpe:/a:canonical:ubuntu_linux:php8.5-ldap, p-cpe:/a:canonical:ubuntu_linux:php8.5-litespeed, p-cpe:/a:canonical:ubuntu_linux:php8.5-mbstring, p-cpe:/a:canonical:ubuntu_linux:php8.5-mysql, p-cpe:/a:canonical:ubuntu_linux:php8.5-odbc, p-cpe:/a:canonical:ubuntu_linux:php8.5-pgsql, p-cpe:/a:canonical:ubuntu_linux:php8.5-phpdbg, p-cpe:/a:canonical:ubuntu_linux:php8.5-readline, p-cpe:/a:canonical:ubuntu_linux:php8.5-snmp, p-cpe:/a:canonical:ubuntu_linux:php8.5-soap, p-cpe:/a:canonical:ubuntu_linux:php8.5-sqlite3, p-cpe:/a:canonical:ubuntu_linux:php8.5-sybase, p-cpe:/a:canonical:ubuntu_linux:php8.5-tidy, p-cpe:/a:canonical:ubuntu_linux:php8.5-xml, p-cpe:/a:canonical:ubuntu_linux:php8.5-xsl, p-cpe:/a:canonical:ubuntu_linux:php8.5-zip, p-cpe:/a:canonical:ubuntu_linux:php8.5

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/19/2026

Vulnerability Publication Date: 10/19/2026

Reference Information

CVE: CVE-2025-1218, CVE-2025-14181, CVE-2026-6103, CVE-2026-91765, CVE-2026-91766, CVE-2026-91767, CVE-2026-91768, CVE-2026-91769, CVE-2026-92842, CVE-2026-93682

USN: 8936-1