In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before 8.4.5, when receiving headers from HTTP server, the headers missing a colon (:) are treated as valid headers even though they are not. This may confuse applications into accepting invalid headers.
CVSS Details
- CVSS 4.0 Base Score: 6.3 (MEDIUM)
- CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
- CVSS 3.1 Base Score: 5.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade php-embeddedUpgrade php-bcmathUpgrade php-dbaUpgrade php-pecl-zipUpgrade php-ldapUpgrade php-pecl-rrdUpgrade libzip-develUpgrade php-processUpgrade php-xmlUpgrade php-cliUpgrade libzipUpgrade php-mysqlndUpgrade php-pecl-xdebug3Upgrade libzip-toolsUpgrade php-enchantUpgrade php-intlUpgrade php-ffiUpgrade phpUpgrade php-pecl-apcuUpgrade apcu-panelUpgrade php-opcacheUpgrade php-snmpUpgrade php-gdUpgrade php-pdoUpgrade php-dbgUpgrade php-pecl-redis6Upgrade php-jsonUpgrade php-pgsqlUpgrade php-pecl-apcu-develUpgrade php-pearUpgrade php-gmpUpgrade php-develUpgrade php-fpmUpgrade php-mbstringUpgrade php-xmlrpcUpgrade php-odbcUpgrade php-pecl-xdebugUpgrade php-commonUpgrade php-soap | Apr 30, 2025 | Mar 30, 2025 |
| Alpine Linux | — | Upgrade php82Upgrade php81Upgrade php83 | Aug 8, 2025 | Mar 30, 2025 |
| Amazon Linux Ami 2 | — | Upgrade php-xmlUpgrade php-fpmUpgrade php-debuginfoUpgrade php-commonUpgrade php-develUpgrade php-dbgUpgrade php-ldapUpgrade php-sodiumUpgrade php-odbcUpgrade php-intlUpgrade php-pgsqlUpgrade php-cliUpgrade php-snmpUpgrade php-pspellUpgrade php-soapUpgrade php-bcmathUpgrade phpUpgrade php-gdUpgrade php-mbstringUpgrade php-mysqlndUpgrade php-opcacheUpgrade php-pdoUpgrade php-dbaUpgrade php-enchantUpgrade php-processUpgrade php-embeddedUpgrade php-gmp | Apr 2, 2025 | Mar 30, 2025 |
| Amazon_linux_2023 | — | Upgrade php8.1-fpmUpgrade php8.1-process-debuginfoUpgrade php8.3-soapUpgrade php8.2-ffi-debuginfoUpgrade php8.3-tidy-debuginfoUpgrade php8.3-cli-debuginfoUpgrade php8.3-gd-debuginfoUpgrade php8.2-sodium-debuginfoUpgrade php8.3-modphp-debuginfoUpgrade php8.3-xmlUpgrade php8.1-mysqlndUpgrade php8.2-commonUpgrade php8.2-ldapUpgrade php8.3-develUpgrade php8.3-bcmath-debuginfoUpgrade php8.3-tidyUpgrade php8.1-mysqlnd-debuginfoUpgrade php8.2-snmpUpgrade php8.1-gdUpgrade php8.2-xmlUpgrade php8.3-mysqlndUpgrade php8.3-process-debuginfoUpgrade php8.3-soap-debuginfoUpgrade php8.3-zip-debuginfoUpgrade php8.1-gmpUpgrade php8.1-snmpUpgrade php8.1-zip-debuginfoUpgrade php8.2-mysqlndUpgrade php8.2-opcache-debuginfoUpgrade php8.2-gd-debuginfoUpgrade php8.1-embedded-debuginfoUpgrade php8.2-cliUpgrade php8.2-fpm-debuginfoUpgrade php8.3-odbcUpgrade php8.1-snmp-debuginfoUpgrade php8.1-xml-debuginfoUpgrade php8.2-process-debuginfoUpgrade php8.3-sodiumUpgrade php8.3-intlUpgrade php8.1-commonUpgrade php8.2Upgrade php8.2-debugsourceUpgrade php8.2-soap-debuginfoUpgrade php8.3-dbgUpgrade php8.3-commonUpgrade php8.3-ffiUpgrade php8.3-modphpUpgrade php8.2-sodiumUpgrade php8.2-zip-debuginfoUpgrade php8.3-bcmathUpgrade php8.3-common-debuginfoUpgrade php8.3-enchantUpgrade php8.3-gdUpgrade php8.3-odbc-debuginfoUpgrade php8.1-dbgUpgrade php8.1-ldapUpgrade php8.3-pdoUpgrade php8.1-ldap-debuginfoUpgrade php8.2-pgsql-debuginfoUpgrade php8.2-odbcUpgrade php8.2-pspellUpgrade php8.1-soap-debuginfoUpgrade php8.2-pspell-debuginfoUpgrade php8.3-sodium-debuginfoUpgrade php8.1-enchantUpgrade php8.1-ffiUpgrade php8.1-ffi-debuginfoUpgrade php8.1-xmlUpgrade php8.1-zipUpgrade php8.2-dbaUpgrade php8.2-xml-debuginfoUpgrade php8.3-dba-debuginfoUpgrade php8.3-ldapUpgrade php8.1-tidyUpgrade php8.3-ldap-debuginfoUpgrade php8.1-common-debuginfoUpgrade php8.1-pspell-debuginfoUpgrade php8.2-bcmath-debuginfoUpgrade php8.2-dbg-debuginfoUpgrade php8.2-gmpUpgrade php8.2-pdo-debuginfoUpgrade php8.2-tidyUpgrade php8.3-mysqlnd-debuginfoUpgrade php8.2-zipUpgrade php8.2-odbc-debuginfoUpgrade php8.3-pgsqlUpgrade php8.3-opcacheUpgrade php8.3-snmp-debuginfoUpgrade php8.1-cliUpgrade php8.1-dba-debuginfoUpgrade php8.1-gmp-debuginfoUpgrade php8.1-odbcUpgrade php8.1-pgsqlUpgrade php8.2-ffiUpgrade php8.2-intl-debuginfoUpgrade php8.3-embedded-debuginfoUpgrade php8.3-intl-debuginfoUpgrade php8.2-tidy-debuginfoUpgrade php8.1-soapUpgrade php8.2-soapUpgrade php8.1-dbg-debuginfoUpgrade php8.2-enchant-debuginfoUpgrade php8.1-gd-debuginfoUpgrade php8.3-pdo-debuginfoUpgrade php8.2-gmp-debuginfoUpgrade php8.2-embeddedUpgrade php8.1-intl-debuginfoUpgrade php8.1-develUpgrade php8.1-pdo-debuginfoUpgrade php8.2-pdoUpgrade php8.2-opcacheUpgrade php8.2-embedded-debuginfoUpgrade php8.2-mbstringUpgrade php8.2-dba-debuginfoUpgrade php8.1-pdoUpgrade php8.3-mbstringUpgrade php8.3-pspell-debuginfoUpgrade php8.1-intlUpgrade php8.1-tidy-debuginfoUpgrade php8.3-gmp-debuginfoUpgrade php8.1-cli-debuginfoUpgrade php8.3Upgrade php8.2-develUpgrade php8.1-odbc-debuginfoUpgrade php8.1-fpm-debuginfoUpgrade php8.3-xml-debuginfoUpgrade php8.3-dbg-debuginfoUpgrade php8.2-snmp-debuginfoUpgrade php8.2-processUpgrade php8.2-pgsqlUpgrade php8.2-dbgUpgrade php8.2-intlUpgrade php8.2-debuginfoUpgrade php8.1-pspellUpgrade php8.1-pgsql-debuginfoUpgrade php8.1-mbstringUpgrade php8.3-pgsql-debuginfoUpgrade php8.3-opcache-debuginfoUpgrade php8.2-fpmUpgrade php8.3-cliUpgrade php8.1-mbstring-debuginfoUpgrade php8.2-cli-debuginfoUpgrade php8.1-debuginfoUpgrade php8.1-bcmath-debuginfoUpgrade php8.3-enchant-debuginfoUpgrade php8.3-embeddedUpgrade php8.3-debugsourceUpgrade php8.3-dbaUpgrade php8.1-opcacheUpgrade php8.3-pspellUpgrade php8.3-debuginfoUpgrade php8.3-snmpUpgrade php8.3-fpm-debuginfoUpgrade php8.1-bcmathUpgrade php8.3-ffi-debuginfoUpgrade php8.2-enchantUpgrade php8.1Upgrade php8.3-zipUpgrade php8.3-gmpUpgrade php8.1-embeddedUpgrade php8.2-mbstring-debuginfoUpgrade php8.2-bcmathUpgrade php8.1-processUpgrade php8.3-processUpgrade php8.1-enchant-debuginfoUpgrade php8.1-opcache-debuginfoUpgrade php8.1-debugsourceUpgrade php8.1-dbaUpgrade php8.3-mbstring-debuginfoUpgrade php8.3-fpmUpgrade php8.2-mysqlnd-debuginfoUpgrade php8.2-ldap-debuginfoUpgrade php8.2-gdUpgrade php8.2-common-debuginfo | Apr 3, 2025 | Mar 30, 2025 |
| Debian | — | Upgrade php8.4Upgrade php7.4Upgrade php8.2 | Mar 17, 2025 | Mar 17, 2025 |
| Freebsd | — | Upgrade php81Upgrade php84Upgrade php82Upgrade php83 | Dec 10, 2025 | Mar 13, 2025 |
| Oracle_linux | — | Upgrade php-fpmUpgrade libzip-develUpgrade phpUpgrade php-pecl-zipUpgrade php-xmlUpgrade php-mbstringUpgrade php-snmpUpgrade php-mysqlndUpgrade php-ffiUpgrade php-pecl-rrdUpgrade php-processUpgrade php-opcacheUpgrade php-gdUpgrade php-enchantUpgrade php-pearUpgrade php-develUpgrade php-bcmathUpgrade php-embeddedUpgrade php-cliUpgrade php-pecl-xdebug3Upgrade php-xmlrpcUpgrade php-pecl-xdebugUpgrade libzipUpgrade php-pecl-apcu-develUpgrade php-dbaUpgrade apcu-panelUpgrade php-intlUpgrade php-gmpUpgrade php-dbgUpgrade php-pgsqlUpgrade php-pdoUpgrade php-odbcUpgrade php-soapUpgrade php-pecl-apcuUpgrade php-pecl-redis6Upgrade php-jsonUpgrade php-ldapUpgrade php-commonUpgrade libzip-tools | Apr 30, 2025 | Mar 30, 2025 |
| Php | — | Upgrade to PHP version 8.3.19Upgrade to PHP version 8.2.28Upgrade to PHP version 8.4.5Upgrade to PHP version 8.1.32 | Feb 17, 2026 | Feb 17, 2026 |
| Redhat_linux | — | Upgrade php-embeddedUpgrade php-fpmUpgrade php-gmpUpgrade php-pecl-zip-debugsourceUpgrade php-pecl-xdebugUpgrade php-mysqlndUpgrade php-enchant-debuginfoUpgrade php-pecl-apcuUpgrade php-xmlUpgrade php-dbg-debuginfoUpgrade php-develUpgrade php-pdoUpgrade php-mbstringUpgrade php-pecl-apcu-debuginfoUpgrade php-pecl-redis6Upgrade php-common-debuginfoUpgrade php-pecl-xdebug3Upgrade php-bcmathUpgrade php-pearNo solution existsUpgrade php-mysqlnd-debuginfoUpgrade php-embedded-debuginfoUpgrade php-intl-debuginfoUpgrade php-pecl-rrd-debuginfoUpgrade php-pecl-xdebug3-debuginfoUpgrade php-xmlrpcUpgrade libzip-develUpgrade php-jsonUpgrade php-cliUpgrade php-snmpUpgrade php-enchantUpgrade libzipUpgrade php-xmlrpc-debuginfoUpgrade php-pecl-xdebug-debuginfoUpgrade php-debugsourceUpgrade php-pecl-rrd-debugsourceUpgrade php-opcacheUpgrade php-gd-debuginfoUpgrade php-ldapUpgrade php-pecl-apcu-debugsourceUpgrade php-ffiUpgrade php-commonUpgrade libzip-toolsUpgrade php-pecl-xdebug3-debugsourceUpgrade php-bcmath-debuginfoUpgrade php-pecl-zipUpgrade php-pecl-rrdUpgrade php-json-debuginfoUpgrade apcu-panelUpgrade php-dbgUpgrade php-gdUpgrade php-debuginfoUpgrade php-xml-debuginfoUpgrade php-processUpgrade php-odbc-debuginfoUpgrade php-pecl-xdebug-debugsourceUpgrade php-cli-debuginfoUpgrade libzip-debuginfoUpgrade php-odbcUpgrade php-soapUpgrade phpUpgrade php-soap-debuginfoUpgrade php-process-debuginfoUpgrade php-ffi-debuginfoUpgrade php-pgsqlUpgrade php-pecl-redis6-debuginfoUpgrade libzip-tools-debuginfoUpgrade php-pdo-debuginfoUpgrade php-mbstring-debuginfoUpgrade php-ldap-debuginfoUpgrade php-dba-debuginfoUpgrade php-dbaUpgrade php-snmp-debuginfoUpgrade php-fpm-debuginfoUpgrade php-intlUpgrade php-pgsql-debuginfoUpgrade php-gmp-debuginfoUpgrade php-pecl-apcu-develUpgrade libzip-debugsourceUpgrade php-pecl-zip-debuginfoUpgrade php-opcache-debuginfoUpgrade php-pecl-redis6-debugsource | Apr 30, 2025 | Mar 30, 2025 |
| Rocky_linux | — | Upgrade libzip-tools-debuginfoUpgrade php-odbc-debuginfoUpgrade php-pecl-zipUpgrade php-embeddedUpgrade php-pecl-redis6-debugsourceUpgrade php-pecl-rrd-debugsourceUpgrade php-ffi-debuginfoUpgrade php-gdUpgrade phpUpgrade php-gmpUpgrade php-pecl-rrdUpgrade php-dbaUpgrade libzipUpgrade php-jsonUpgrade php-pecl-xdebug3-debugsourceUpgrade php-soapUpgrade php-pecl-rrd-debuginfoUpgrade php-xmlrpc-debuginfoUpgrade php-pdo-debuginfoUpgrade libzip-debugsourceUpgrade php-intl-debuginfoUpgrade php-process-debuginfoUpgrade php-snmp-debuginfoUpgrade php-gmp-debuginfoUpgrade php-cli-debuginfoUpgrade php-intlUpgrade php-opcacheUpgrade php-dbg-debuginfoUpgrade php-pecl-apcu-develUpgrade php-ldap-debuginfoUpgrade php-processUpgrade php-pecl-apcu-debuginfoUpgrade php-xmlrpcUpgrade php-gd-debuginfoUpgrade php-debugsourceUpgrade php-pdoUpgrade php-embedded-debuginfoUpgrade php-enchantUpgrade php-pecl-zip-debugsourceUpgrade php-bcmathUpgrade php-pgsqlUpgrade php-pecl-zip-debuginfoUpgrade libzip-debuginfoUpgrade php-dbgUpgrade php-bcmath-debuginfoUpgrade php-odbcUpgrade php-dba-debuginfoUpgrade php-pecl-apcuUpgrade php-pecl-xdebug3-debuginfoUpgrade php-pecl-apcu-debugsourceUpgrade php-mbstring-debuginfoUpgrade php-commonUpgrade php-fpmUpgrade php-pecl-xdebug-debuginfoUpgrade php-xmlUpgrade php-pecl-xdebug-debugsourceUpgrade php-pecl-redis6Upgrade php-mysqlnd-debuginfoUpgrade php-debuginfoUpgrade libzip-develUpgrade php-pecl-redis6-debuginfoUpgrade php-snmpUpgrade php-pgsql-debuginfoUpgrade php-ffiUpgrade php-enchant-debuginfoUpgrade php-cliUpgrade php-fpm-debuginfoUpgrade php-xml-debuginfoUpgrade php-soap-debuginfoUpgrade php-ldapUpgrade php-json-debuginfoUpgrade php-develUpgrade php-common-debuginfoUpgrade php-opcache-debuginfoUpgrade php-mbstringUpgrade libzip-toolsUpgrade php-pecl-xdebug3Upgrade php-pecl-xdebugUpgrade php-mysqlnd | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade php8-ldapUpgrade php7-ctypeUpgrade php8-calendarUpgrade php8-bz2Upgrade php8-fastcgiUpgrade php7-testUpgrade php8-sodiumUpgrade php7-gettextUpgrade php8-tokenizerUpgrade php8-xslUpgrade php8-zipUpgrade php8-zlibUpgrade php7-curlUpgrade php8-gmpUpgrade php8-opensslUpgrade php7-pgsqlUpgrade php7-snmpUpgrade php7-zipUpgrade php8-testUpgrade php7-soapUpgrade php7-socketsUpgrade php8-tidyUpgrade php8-gdUpgrade php7-sysvsemUpgrade php8-sysvmsgUpgrade php7-iconvUpgrade php7-calendarUpgrade php8-cliUpgrade php8-dbaUpgrade php7-opcacheUpgrade php7-intlUpgrade php7-sodiumUpgrade php7-xslUpgrade php7-mysqlUpgrade php7-enchantUpgrade php8-opcacheUpgrade php7-gmpUpgrade php8-domUpgrade php8-fpmUpgrade php8-sysvshmUpgrade php8-embedUpgrade php8-pdoUpgrade php7-pdoUpgrade php7-sqliteUpgrade php8-snmpUpgrade php7-xmlwriterUpgrade php7-xmlreaderUpgrade php8-posixUpgrade php8-socketsUpgrade php7-posixUpgrade php7-tidyUpgrade php7-fastcgiUpgrade php7-gdUpgrade php8-intlUpgrade php8-develUpgrade php8-exifUpgrade php7-domUpgrade php8-ctypeUpgrade php7-fpmUpgrade php8-ftpUpgrade php7-shmopUpgrade php8-curlUpgrade php7-zlibUpgrade php7-ftpUpgrade php7Upgrade php8-pharUpgrade php7-cliUpgrade php7-ldapUpgrade php8-fpm-apacheUpgrade php7-exifUpgrade php8-soapUpgrade php8-mbstringUpgrade php7-opensslUpgrade php7-develUpgrade php8-mysqlUpgrade php8-bcmathUpgrade php7-bcmathUpgrade apache2-mod_php8Upgrade php7-jsonUpgrade php7-bz2Upgrade php7-fileinfoUpgrade php8-pgsqlUpgrade php8-fileinfoUpgrade php7-pharUpgrade php8-enchantUpgrade php7-pcntlUpgrade php7-odbcUpgrade php7-embedUpgrade php8-ffiUpgrade php8Upgrade php7-xmlrpcUpgrade php8-odbcUpgrade php7-sysvmsgUpgrade php7-mbstringUpgrade apache2-mod_php7Upgrade php8-xmlreaderUpgrade php8-pcntlUpgrade php7-readlineUpgrade php8-gettextUpgrade php8-readlineUpgrade php8-sqliteUpgrade php7-tokenizerUpgrade php7-sysvshmUpgrade php8-sysvsemUpgrade php8-shmopUpgrade php7-dbaUpgrade php8-xmlwriterUpgrade php8-iconv | Mar 25, 2025 | Mar 24, 2025 |
| Ubuntu | — | Upgrade php8.3-cgiUpgrade php8.3Upgrade libapache2-mod-php8.0Upgrade php7.0-cli (Ubuntu Pro)Upgrade libphp7.2-embed (Ubuntu Pro)Upgrade libapache2-mod-php8.1Upgrade php8.1-fpmUpgrade php8.1-cliUpgrade libapache2-mod-php7.4Upgrade php8.3-cliUpgrade php7.2-cli (Ubuntu Pro)Upgrade php7.4Upgrade libphp7.0-embed (Ubuntu Pro)Upgrade php8.1-cgiUpgrade php7.2-cgi (Ubuntu Pro)Upgrade libapache2-mod-php7.0 (Ubuntu Pro)Upgrade php7.4-cliUpgrade php7.4-fpmUpgrade php7.0-fpm (Ubuntu Pro)Upgrade php7.2-fpm (Ubuntu Pro)Upgrade php8.3-fpmUpgrade php7.4-cgiUpgrade php8.1Upgrade php7.0-cgi (Ubuntu Pro)Upgrade libapache2-mod-php8.3Upgrade libapache2-mod-php7.2 (Ubuntu Pro) | Apr 1, 2025 | Mar 30, 2025 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub