The mysqlnd wire protocol parser reads fields out of server packets before checking that the packet still holds enough bytes for them. A malicious or compromised MySQL server can send a truncated packet and make the client read past the end of the packet buffer, which is undefined behaviour and can crash the process.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade php83Upgrade php85Upgrade php84 | Sep 28, 2026 | Sep 25, 2026 |
| Amazon_linux_2023 | — | Upgrade php8.4-mysqlndUpgrade php8.4-soap-debuginfoUpgrade php8.4-pdo-debuginfoUpgrade php8.4-dbg-debuginfoUpgrade php8.4-dba-debuginfoUpgrade php8.4-common-debuginfoUpgrade php8.3-pspellUpgrade php8.2-soapUpgrade php8.3-intl-debuginfoUpgrade php8.5-mbstring-debuginfoUpgrade php8.4-intlUpgrade php8.4-processUpgrade php8.5-ldap-debuginfoUpgrade php8.3-tidyUpgrade php8.4-gd-debuginfoUpgrade php8.5-processUpgrade php8.5-tidyUpgrade php8.5-soapUpgrade php8.5-dbgUpgrade php8.5-commonUpgrade php8.4-snmp-debuginfoUpgrade php8.4-modphp-debuginfoUpgrade php8.4-fpmUpgrade php8.4-ffi-debuginfoUpgrade php8.3-pgsqlUpgrade php8.3-ldap-debuginfoUpgrade php8.2-sodium-debuginfoUpgrade php8.2-ffiUpgrade php8.5-bcmath-debuginfoUpgrade php8.3-dbgUpgrade php8.2-xmlUpgrade php8.2-opcacheUpgrade php8.2-odbc-debuginfoUpgrade php8.2-fpm-debuginfoUpgrade php8.2-debugsourceUpgrade php8.5-xml-debuginfoUpgrade php8.5-pdo-debuginfoUpgrade php8.5-gd-debuginfoUpgrade php8.4-mbstring-debuginfoUpgrade php8.3-pdo-debuginfoUpgrade php8.3-modphpUpgrade php8.3-soap-debuginfoUpgrade php8.5-embedded-debuginfoUpgrade php8.4-ldap-debuginfoUpgrade php8.3-sodiumUpgrade php8.3-pdoUpgrade php8.3-mysqlnd-debuginfoUpgrade php8.3-ldapUpgrade php8.3-intlUpgrade php8.3-common-debuginfoUpgrade php8.3-cli-debuginfoUpgrade php8.2-dbgUpgrade php8.4-enchantUpgrade php8.5-fpmUpgrade php8.4-embedded-debuginfoUpgrade php8.3-mysqlndUpgrade php8.3-ffi-debuginfoUpgrade php8.3-odbcUpgrade php8.5-common-debuginfoUpgrade php8.4Upgrade php8.2-ffi-debuginfoUpgrade php8.2-process-debuginfoUpgrade php8.2-fpmUpgrade php8.2-sodiumUpgrade php8.4-pdoUpgrade php8.2-pdo-debuginfoUpgrade php8.3Upgrade php8.3-xml-debuginfoUpgrade php8.4-debugsourceUpgrade php8.4-gmp-debuginfoUpgrade php8.4-embeddedUpgrade php8.4-odbcUpgrade php8.3-modphp-debuginfoUpgrade php8.3-pgsql-debuginfoUpgrade php8.5-dbaUpgrade php8.4-gmpUpgrade php8.5-modphp-debuginfoUpgrade php8.4-enchant-debuginfoUpgrade php8.5-odbcUpgrade php8.4-snmpUpgrade php8.3-dba-debuginfoUpgrade php8.3-dbaUpgrade php8.5-ffiUpgrade php8.2-xml-debuginfoUpgrade php8.5-dbg-debuginfoUpgrade php8.2-cliUpgrade php8.3-embeddedUpgrade php8.2-processUpgrade php8.4-intl-debuginfoUpgrade php8.3-snmpUpgrade php8.4-ffiUpgrade php8.2-enchantUpgrade php8.5-mysqlndUpgrade php8.2-embeddedUpgrade php8.5-pdoUpgrade php8.4-xml-debuginfoUpgrade php8.4-soapUpgrade php8.5-sodiumUpgrade php8.5-process-debuginfoUpgrade php8.4-develUpgrade php8.3-pspell-debuginfoUpgrade php8.3-commonUpgrade php8.2-pspell-debuginfoUpgrade php8.5-gmpUpgrade php8.2-pspellUpgrade php8.5-embeddedUpgrade php8.3-tidy-debuginfoUpgrade php8.3-odbc-debuginfoUpgrade php8.3-debuginfoUpgrade php8.2-pgsql-debuginfoUpgrade php8.2-dbaUpgrade php8.5-gdUpgrade php8.4-xmlUpgrade php8.4-modphpUpgrade php8.3-snmp-debuginfoUpgrade php8.3-opcache-debuginfoUpgrade php8.3-bcmathUpgrade php8.4-bcmathUpgrade php8.5-mbstringUpgrade php8.4-gdUpgrade php8.5-gmp-debuginfoUpgrade php8.3-gmp-debuginfoUpgrade php8.2-intl-debuginfoUpgrade php8.2-bcmath-debuginfoUpgrade php8.3-gd-debuginfoUpgrade php8.3-enchantUpgrade php8.3-cliUpgrade php8.2-tidy-debuginfoUpgrade php8.2-snmpUpgrade php8.2-mbstringUpgrade php8.2-gmpUpgrade php8.2Upgrade php8.5-fpm-debuginfoUpgrade php8.5-enchant-debuginfoUpgrade php8.5-enchantUpgrade php8.5Upgrade php8.4-zip-debuginfoUpgrade php8.4-debuginfoUpgrade php8.3-zip-debuginfoUpgrade php8.5-intl-debuginfoUpgrade php8.4-commonUpgrade php8.3-gdUpgrade php8.3-ffiUpgrade php8.2-dba-debuginfoUpgrade php8.5-zip-debuginfoUpgrade php8.5-xmlUpgrade php8.5-ldapUpgrade php8.2-dbg-debuginfoUpgrade php8.2-opcache-debuginfoUpgrade php8.2-tidyUpgrade php8.2-pgsqlUpgrade php8.2-develUpgrade php8.4-ldapUpgrade php8.2-enchant-debuginfoUpgrade php8.3-embedded-debuginfoUpgrade php8.3-debugsourceUpgrade php8.3-bcmath-debuginfoUpgrade php8.4-tidy-debuginfoUpgrade php8.4-process-debuginfoUpgrade php8.4-dbgUpgrade php8.4-cliUpgrade php8.3-zipUpgrade php8.3-opcacheUpgrade php8.4-bcmath-debuginfoUpgrade php8.5-sodium-debuginfoUpgrade php8.2-zip-debuginfoUpgrade php8.3-xmlUpgrade php8.3-fpm-debuginfoUpgrade php8.2-gdUpgrade php8.2-gmp-debuginfoUpgrade php8.5-intlUpgrade php8.4-zipUpgrade php8.5-ffi-debuginfoUpgrade php8.2-commonUpgrade php8.2-ldapUpgrade php8.2-cli-debuginfo | Oct 13, 2026 | Sep 25, 2026 |
| Debian | — | Upgrade php8.4Upgrade php8.2 | Sep 30, 2026 | Sep 25, 2026 |
| Redhat_linux | — | No solution exists | Sep 28, 2026 | Sep 25, 2026 |
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