USN-8936-1: PHP vulnerabilities
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)
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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ubuntu/libapache2-mod-php8.5to a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/libphp8.5-embedto a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/php8.5-cgito a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/php8.5-clito a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/php8.5-commonto a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/php8.5-fpmto a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/php8.5-litespeedto a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/php8.5-mysqlto a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/php8.5-phpdbgto a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/php8.5-soapto a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/libapache2-mod-php8.5to a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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ubuntu/libphp8.5-embedto a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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ubuntu/php8.5-cgito a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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ubuntu/php8.5-clito a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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ubuntu/php8.5-commonto a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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ubuntu/php8.5-fpmto a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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ubuntu/php8.5-litespeedto a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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ubuntu/php8.5-mysqlto a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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ubuntu/php8.5-phpdbgto a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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ubuntu/php8.5-soapto a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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ubuntu/libapache2-mod-php8.3to a version that resolves this vulnerability.Fixed in 8.3.6-0ubuntu0.24.04.12 - Upgrade
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ubuntu/libphp8.3-embedto a version that resolves this vulnerability.Fixed in 8.3.6-0ubuntu0.24.04.12 - Upgrade
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ubuntu/php8.3-cgito a version that resolves this vulnerability.Fixed in 8.3.6-0ubuntu0.24.04.12 - Upgrade
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ubuntu/php8.3-clito a version that resolves this vulnerability.Fixed in 8.3.6-0ubuntu0.24.04.12 - Upgrade
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ubuntu/php8.3-commonto a version that resolves this vulnerability.Fixed in 8.3.6-0ubuntu0.24.04.12 - Upgrade
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ubuntu/php8.3-fpmto a version that resolves this vulnerability.Fixed in 8.3.6-0ubuntu0.24.04.12 - Upgrade
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ubuntu/php8.3-mysqlto a version that resolves this vulnerability.Fixed in 8.3.6-0ubuntu0.24.04.12 - Upgrade
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ubuntu/php8.3-phpdbgto a version that resolves this vulnerability.Fixed in 8.3.6-0ubuntu0.24.04.12 - Upgrade
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ubuntu/php8.3-soapto a version that resolves this vulnerability.Fixed in 8.3.6-0ubuntu0.24.04.12 - Upgrade
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ubuntu/libapache2-mod-php8.1to a version that resolves this vulnerability.Fixed in 8.1.2-1ubuntu2.27 - Upgrade
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ubuntu/libphp8.1-embedto a version that resolves this vulnerability.Fixed in 8.1.2-1ubuntu2.27 - Upgrade
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ubuntu/php8.1-cgito a version that resolves this vulnerability.Fixed in 8.1.2-1ubuntu2.27 - Upgrade
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ubuntu/php8.1-clito a version that resolves this vulnerability.Fixed in 8.1.2-1ubuntu2.27 - Upgrade
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ubuntu/php8.1-commonto a version that resolves this vulnerability.Fixed in 8.1.2-1ubuntu2.27 - Upgrade
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ubuntu/php8.1-fpmto a version that resolves this vulnerability.Fixed in 8.1.2-1ubuntu2.27 - Upgrade
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ubuntu/php8.1-mysqlto a version that resolves this vulnerability.Fixed in 8.1.2-1ubuntu2.27 - Upgrade
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ubuntu/php8.1-phpdbgto a version that resolves this vulnerability.Fixed in 8.1.2-1ubuntu2.27 - Upgrade
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ubuntu/php8.1-soapto a version that resolves this vulnerability.Fixed in 8.1.2-1ubuntu2.27 - Upgrade
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ubuntu/libapache2-mod-php7.4to a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/libphp7.4-embedto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.4-cgito a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.4-clito a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.4-commonto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.4-fpmto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.4-mysqlto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.4-phpdbgto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.4-soapto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/libapache2-mod-php7.2to a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/libphp7.2-embedto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.2-cgito a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.2-clito a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.2-commonto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.2-fpmto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.2-phpdbgto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.2-soapto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/libapache2-mod-php7.0to a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/libphp7.0-embedto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.0-cgito a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.0-clito a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.0-commonto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.0-fpmto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.0-phpdbgto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php7.0-soapto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/libapache2-mod-php5to a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/libapache2-mod-php5filterto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/libphp5-embedto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php5-cgito a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php5-clito a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php5-commonto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php5-fpmto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
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ubuntu/php5to a version that resolves this vulnerability.Fixed in 5.5.9+dfsg-1ubuntu4.29+esm17 - Upgrade
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ubuntu/php7.0to a version that resolves this vulnerability.Fixed in 7.0.33-0ubuntu0.16.04.16+esm21 - Upgrade
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ubuntu/php7.2to a version that resolves this vulnerability.Fixed in 7.2.24-0ubuntu0.18.04.17+esm13 - Upgrade
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ubuntu/php7.4to a version that resolves this vulnerability.Fixed in 7.4.3-4ubuntu2.29+esm4 - Upgrade
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ubuntu/php8.1to a version that resolves this vulnerability.Fixed in 8.1.2-1ubuntu2.27 - Upgrade
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ubuntu/php8.3to a version that resolves this vulnerability.Fixed in 8.3.6-0ubuntu0.24.04.12 - Upgrade
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ubuntu/php8.5to a version that resolves this vulnerability.Fixed in 8.5.9-0ubuntu2 - Upgrade
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ubuntu/php8.5to a version that resolves this vulnerability.Fixed in 8.5.4-0ubuntu1.4 - Upgrade
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PHPto a version that resolves this vulnerability.Patch USN-8936-1
Event History
Child vulnerabilities
Contains the following vulnerabilities.
- CVE-2026-93682
- CVE-2026-92842
- CVE-2026-91769
- CVE-2026-91768
- CVE-2026-91767
- CVE-2026-91766
- CVE-2026-91765
- CVE-2026-6103
- CVE-2025-14181
- CVE-2025-1218
- UBUNTU-CVE-2025-1218
- UBUNTU-CVE-2025-14181
- UBUNTU-CVE-2026-6103
- UBUNTU-CVE-2026-91765
- UBUNTU-CVE-2026-91766
- UBUNTU-CVE-2026-91767
- UBUNTU-CVE-2026-91768
- UBUNTU-CVE-2026-91769
- UBUNTU-CVE-2026-92842
- UBUNTU-CVE-2026-93682