In PHP versions 8.1.* before 8.1.34, 8.2.* before 8.2.30, 8.3.* before 8.3.29, 8.4.* before 8.4.16, 8.5.* before 8.5.1 when using the PDO PostgreSQL driver with PDO::ATTR_EMULATE_PREPARES enabled, an invalid character sequence (such as \x99) in a prepared statement parameter may cause the quoting function PQescapeStringConn to return NULL, leading to a null pointer dereference in pdo_parse_params() function. This may lead to crashes (segmentation fault) and affect the availability of the target server.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade php-pecl-apcu-develUpgrade php-mbstringUpgrade php-fpmUpgrade php-gmpUpgrade php-pecl-zipUpgrade php-develUpgrade php-commonUpgrade php-soapUpgrade php-pgsqlUpgrade php-pearUpgrade php-pdoUpgrade php-xmlUpgrade php-processUpgrade php-pecl-xdebug3Upgrade php-pecl-rrdUpgrade php-dbgUpgrade php-ffiUpgrade php-dbaUpgrade php-intlUpgrade php-odbcUpgrade php-embeddedUpgrade php-gdUpgrade php-mysqlndUpgrade php-ldapUpgrade libzip-develUpgrade apcu-panelUpgrade php-enchantUpgrade php-opcacheUpgrade php-snmpUpgrade php-pecl-apcuUpgrade php-pecl-redis6Upgrade phpUpgrade php-bcmathUpgrade libzipUpgrade php-cliUpgrade libzip-tools | Feb 2, 2026 | Jan 27, 2026 |
| Alpine Linux | — | Upgrade php81Upgrade php82Upgrade php85Upgrade php84Upgrade php83 | Jan 5, 2026 | Dec 27, 2025 |
| Amazon Linux Ami 2 | — | Upgrade php-fpmUpgrade php-xmlUpgrade php-gdUpgrade php-pdoUpgrade php-gmpUpgrade php-bcmathUpgrade php-enchantUpgrade php-pspellUpgrade php-soapUpgrade php-mbstringUpgrade php-pgsqlUpgrade php-develUpgrade php-odbcUpgrade php-sodiumUpgrade php-commonUpgrade php-dbgUpgrade php-intlUpgrade php-dbaUpgrade php-cliUpgrade phpUpgrade php-ldapUpgrade php-debuginfoUpgrade php-mysqlndUpgrade php-opcacheUpgrade php-processUpgrade php-embeddedUpgrade php-snmp | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade php8.3-enchant-debuginfoUpgrade php8.3-fpmUpgrade php8.3-pdoUpgrade php8.4-commonUpgrade php8.4-mbstringUpgrade php8.4-gd-debuginfoUpgrade php8.2-dbaUpgrade php8.4-mysqlndUpgrade php8.4-xml-debuginfoUpgrade php8.4-dbg-debuginfoUpgrade php8.2-sodium-debuginfoUpgrade php8.2-zipUpgrade php8.1-intl-debuginfoUpgrade php8.4-tidyUpgrade php8.4-tidy-debuginfoUpgrade php8.3-odbc-debuginfoUpgrade php8.2-pspellUpgrade php8.2-soap-debuginfoUpgrade php8.3-develUpgrade php8.3-sodium-debuginfoUpgrade php8.2-zip-debuginfoUpgrade php8.2-mysqlnd-debuginfoUpgrade php8.1-soap-debuginfoUpgrade php8.1-tidyUpgrade php8.2-gmp-debuginfoUpgrade php8.4-process-debuginfoUpgrade php8.3-tidy-debuginfoUpgrade php8.4-modphpUpgrade php8.3-fpm-debuginfoUpgrade php8.4-fpm-debuginfoUpgrade php8.3-pspell-debuginfoUpgrade php8.2-dbgUpgrade php8.3-bcmathUpgrade php8.2-embedded-debuginfoUpgrade php8.1-tidy-debuginfoUpgrade php8.4-cliUpgrade php8.4-snmp-debuginfoUpgrade php8.2-cli-debuginfoUpgrade php8.4-enchantUpgrade php8.1-xmlUpgrade php8.1-pspellUpgrade php8.1-processUpgrade php8.1-dba-debuginfoUpgrade php8.1-bcmath-debuginfoUpgrade php8.1-gd-debuginfoUpgrade php8.4-sodiumUpgrade php8.4-gmpUpgrade php8.3-pgsqlUpgrade php8.3-opcache-debuginfoUpgrade php8.2-sodiumUpgrade php8.2-processUpgrade php8.1-xml-debuginfoUpgrade php8.1-pspell-debuginfoUpgrade php8.3-dbg-debuginfoUpgrade php8.3-cli-debuginfoUpgrade php8.3-cliUpgrade php8.2-dba-debuginfoUpgrade php8.3-dbgUpgrade php8.2-mysqlndUpgrade php8.2-enchant-debuginfoUpgrade php8.2-bcmathUpgrade php8.1-mbstringUpgrade php8.1-fpm-debuginfoUpgrade php8.1-debuginfoUpgrade php8.4-odbc-debuginfoUpgrade php8.4-debuginfoUpgrade php8.4-cli-debuginfoUpgrade php8.3-intl-debuginfoUpgrade php8.3-embeddedUpgrade php8.4-xmlUpgrade php8.3-xmlUpgrade php8.1-dbgUpgrade php8.4-fpmUpgrade php8.1-mysqlndUpgrade php8.4-debugsourceUpgrade php8.2-pgsql-debuginfoUpgrade php8.1-pdo-debuginfoUpgrade php8.4-soap-debuginfoUpgrade php8.4-ldapUpgrade php8.1-embeddedUpgrade php8.4-gdUpgrade php8.3-mbstringUpgrade php8.3-bcmath-debuginfoUpgrade php8.2-pdoUpgrade php8.2-ldapUpgrade php8.1-pdoUpgrade php8.1-gmp-debuginfoUpgrade php8.1-debugsourceUpgrade php8.3-processUpgrade php8.3-pgsql-debuginfoUpgrade php8.2-common-debuginfoUpgrade php8.1-mysqlnd-debuginfoUpgrade php8.4-pgsql-debuginfoUpgrade php8.4-intl-debuginfoUpgrade php8.4-common-debuginfoUpgrade php8.3-snmp-debuginfoUpgrade php8.3-pspellUpgrade php8.4-pdoUpgrade php8.4-zipUpgrade php8.1-enchantUpgrade php8.2-xml-debuginfoUpgrade php8.2-soapUpgrade php8.2-gdUpgrade php8.2-ffi-debuginfoUpgrade php8.1-soapUpgrade php8.1-pgsql-debuginfoUpgrade php8.3-soap-debuginfoUpgrade php8.4-soapUpgrade php8.4-ffi-debuginfoUpgrade php8.4-bcmath-debuginfoUpgrade php8.3-ffi-debuginfoUpgrade php8.3-dbaUpgrade php8.2-odbcUpgrade php8.2-mbstring-debuginfoUpgrade php8.2-ffiUpgrade php8.1-zipUpgrade php8.1-intlUpgrade php8.1-cliUpgrade php8.1-enchant-debuginfoUpgrade php8.3-mbstring-debuginfoUpgrade php8.3-gd-debuginfoUpgrade php8.3-debuginfoUpgrade php8.2-fpmUpgrade php8.1-zip-debuginfoUpgrade php8.1-develUpgrade php8.4-mysqlnd-debuginfoUpgrade php8.4-ffiUpgrade php8.4-embeddedUpgrade php8.3-zipUpgrade php8.3-xml-debuginfoUpgrade php8.3-tidyUpgrade php8.3-modphpUpgrade php8.3-gmpUpgrade php8.3-enchantUpgrade php8.3-ldap-debuginfoUpgrade php8.3-gdUpgrade php8.3Upgrade php8.2-snmp-debuginfoUpgrade php8.1-mbstring-debuginfoUpgrade php8.1-cli-debuginfoUpgrade php8.2-process-debuginfoUpgrade php8.2-odbc-debuginfoUpgrade php8.2-intl-debuginfoUpgrade php8.2-debuginfoUpgrade php8.1Upgrade php8.1-gmpUpgrade php8.1-odbcUpgrade php8.1-snmpUpgrade php8.2-debugsourceUpgrade php8.2-mbstringUpgrade php8.2-opcache-debuginfoUpgrade php8.2-snmpUpgrade php8.2Upgrade php8.3-common-debuginfoUpgrade php8.4-pdo-debuginfoUpgrade php8.4-gmp-debuginfoUpgrade php8.3-dba-debuginfoUpgrade php8.2-tidyUpgrade php8.2-gmpUpgrade php8.1-opcache-debuginfoUpgrade php8.1-fpmUpgrade php8.1-bcmathUpgrade php8.3-odbcUpgrade php8.2-dbg-debuginfoUpgrade php8.4-snmpUpgrade php8.1-embedded-debuginfoUpgrade php8.4-processUpgrade php8.2-develUpgrade php8.4-odbcUpgrade php8.3-soapUpgrade php8.2-fpm-debuginfoUpgrade php8.1-ffi-debuginfoUpgrade php8.4-sodium-debuginfoUpgrade php8.2-commonUpgrade php8.2-intlUpgrade php8.2-xmlUpgrade php8.2-embeddedUpgrade php8.1-process-debuginfoUpgrade php8.1-odbc-debuginfoUpgrade php8.4-opcacheUpgrade php8.4-bcmathUpgrade php8.4-embedded-debuginfoUpgrade php8.1-opcacheUpgrade php8.1-common-debuginfoUpgrade php8.3-sodiumUpgrade php8.3-gmp-debuginfoUpgrade php8.3-ffiUpgrade php8.2-tidy-debuginfoUpgrade php8.2-pgsqlUpgrade php8.2-bcmath-debuginfoUpgrade php8.1-ldapUpgrade php8.4-zip-debuginfoUpgrade php8.4-develUpgrade php8.4-dbgUpgrade php8.3-opcacheUpgrade php8.1-ffiUpgrade php8.3-commonUpgrade php8.1-common | Jan 12, 2026 | Dec 27, 2025 |
| Debian | — | Upgrade php8.2Upgrade php8.4 | Mar 4, 2026 | Mar 4, 2026 |
| Oracle_linux | — | Upgrade libzipUpgrade php-pearUpgrade php-fpmUpgrade php-pecl-zipUpgrade phpUpgrade php-processUpgrade php-enchantUpgrade php-embeddedUpgrade php-pecl-rrdUpgrade php-ldapUpgrade php-pecl-apcuUpgrade php-soapUpgrade php-develUpgrade php-gdUpgrade php-pdoUpgrade php-pecl-apcu-develUpgrade php-dbaUpgrade php-gmpUpgrade php-bcmathUpgrade php-commonUpgrade php-cliUpgrade libzip-toolsUpgrade php-mysqlndUpgrade php-xmlUpgrade php-pecl-xdebug3Upgrade php-ffiUpgrade php-pecl-redis6Upgrade php-intlUpgrade php-odbcUpgrade php-mbstringUpgrade libzip-develUpgrade php-opcacheUpgrade apcu-panelUpgrade php-snmpUpgrade php-dbgUpgrade php-pgsql | Jan 29, 2026 | Dec 27, 2025 |
| Redhat_linux | — | Upgrade php-pecl-redis6-debugsourceUpgrade php-pecl-xdebug3Upgrade php-commonUpgrade php-pecl-rrdUpgrade php-mysqlnd-debuginfoUpgrade php-pdoUpgrade php-pecl-xdebug3-debugsourceUpgrade php-pgsqlUpgrade php-xml-debuginfoUpgrade php-snmp-debuginfoUpgrade php-pecl-apcu-debuginfoUpgrade php-pecl-redis6-debuginfoUpgrade php-ldap-debuginfoUpgrade php-mbstringUpgrade php-dbg-debuginfoUpgrade php-pecl-rrd-debuginfoUpgrade php-dba-debuginfoUpgrade php-gmpUpgrade php-xmlUpgrade php-opcache-debuginfoUpgrade php-pecl-apcu-develUpgrade php-pecl-zip-debugsourceUpgrade php-pearUpgrade php-soapUpgrade php-pdo-debuginfoUpgrade php-intl-debuginfoUpgrade php-odbc-debuginfoUpgrade php-fpmUpgrade php-common-debuginfoUpgrade php-debuginfoUpgrade php-processUpgrade php-develUpgrade php-embedded-debuginfoUpgrade php-enchantUpgrade libzip-debuginfoUpgrade php-fpm-debuginfoUpgrade php-embeddedUpgrade php-bcmathUpgrade php-gd-debuginfoUpgrade php-gmp-debuginfoUpgrade php-pecl-rrd-debugsourceUpgrade php-pecl-apcu-debugsourceUpgrade php-mysqlndUpgrade php-ldapUpgrade phpUpgrade php-enchant-debuginfoUpgrade libzip-debugsourceUpgrade php-odbcUpgrade php-ffiUpgrade libzipUpgrade php-process-debuginfoUpgrade php-intlUpgrade php-mbstring-debuginfoUpgrade php-soap-debuginfoUpgrade php-cli-debuginfoUpgrade libzip-tools-debuginfoUpgrade php-debugsourceUpgrade php-pgsql-debuginfoUpgrade php-pecl-xdebug3-debuginfoUpgrade php-pecl-apcuUpgrade php-dbaUpgrade php-bcmath-debuginfoUpgrade php-pecl-zipUpgrade php-cliUpgrade php-pecl-zip-debuginfoUpgrade apcu-panelUpgrade php-dbgUpgrade php-opcacheUpgrade php-ffi-debuginfoUpgrade libzip-toolsUpgrade libzip-develUpgrade php-snmpUpgrade php-gdNo solution existsUpgrade php-pecl-redis6 | Jan 27, 2026 | Dec 27, 2025 |
| Rocky_linux | — | Upgrade libzip-debuginfoUpgrade libzip-develUpgrade php-mbstringUpgrade php-common-debuginfoUpgrade php-processUpgrade php-dbg-debuginfoUpgrade php-xmlUpgrade php-debuginfoUpgrade libzip-debugsourceUpgrade php-odbcUpgrade php-pecl-apcu-debuginfoUpgrade php-soap-debuginfoUpgrade php-bcmath-debuginfoUpgrade php-fpm-debuginfoUpgrade php-ldap-debuginfoUpgrade php-mysqlndUpgrade php-snmpUpgrade php-opcache-debuginfoUpgrade php-pecl-redis6-debuginfoUpgrade php-pecl-apcu-debugsourceUpgrade php-cliUpgrade php-commonUpgrade php-intl-debuginfoUpgrade php-ffiUpgrade php-opcacheUpgrade phpUpgrade php-pecl-rrd-debugsourceUpgrade php-snmp-debuginfoUpgrade php-process-debuginfoUpgrade php-dbaUpgrade php-dba-debuginfoUpgrade php-intlUpgrade php-pecl-rrdUpgrade php-pgsql-debuginfoUpgrade libzip-toolsUpgrade php-embedded-debuginfoUpgrade php-soapUpgrade php-pgsqlUpgrade php-pecl-xdebug3-debugsourceUpgrade php-enchant-debuginfoUpgrade php-xml-debuginfoUpgrade php-cli-debuginfoUpgrade php-pecl-redis6-debugsourceUpgrade php-pdoUpgrade libzipUpgrade php-embeddedUpgrade php-pecl-apcu-develUpgrade php-gmp-debuginfoUpgrade php-dbgUpgrade php-pecl-redis6Upgrade php-pecl-rrd-debuginfoUpgrade php-enchantUpgrade php-gdUpgrade php-odbc-debuginfoUpgrade php-develUpgrade php-gmpUpgrade php-pecl-apcuUpgrade php-mbstring-debuginfoUpgrade php-gd-debuginfoUpgrade php-debugsourceUpgrade php-pecl-zip-debugsourceUpgrade php-pecl-zip-debuginfoUpgrade php-pecl-zipUpgrade php-mysqlnd-debuginfoUpgrade php-ldapUpgrade php-fpmUpgrade php-pdo-debuginfoUpgrade php-bcmathUpgrade libzip-tools-debuginfoUpgrade php-pecl-xdebug3Upgrade php-pecl-xdebug3-debuginfoUpgrade php-ffi-debuginfo | Jan 29, 2026 | Jan 28, 2026 |
| Ubuntu | — | Upgrade php7.4 (Ubuntu Pro)Upgrade php8.3Upgrade php8.1Upgrade php8.4Upgrade php7.2 (Ubuntu Pro) | Jan 13, 2026 | Dec 27, 2025 |
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