A PHP security update has been released for CentOS 6 to fix an overflow in env_path_info

CentOS Errata and Security Advisory 2019:3287 Critical
Upstream details at : https://access.redhat.com/errata/RHSA-2019:3287 
The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename )
i386:
4a874dba90841301408c563e8f63f4b50d15fcb52bc68e23fb582d0e3c044b25 php-5.3.3-50.el6_10.i686.rpm
4cab8b0f66dcb50b38b98de4e3ac84d60b2c109040dc5eee456ee8ee28438a59 php-bcmath-5.3.3-50.el6_10.i686.rpm
9172d17e62721ec3ec011f7651c9ca97424c3d928ff6e672d4e84118607aa592 php-cli-5.3.3-50.el6_10.i686.rpm
4503d5df5227a4200f9341cf78e4b518e7e5d968502cfc615097938d2791d52d php-common-5.3.3-50.el6_10.i686.rpm
5a1c61742a1ab699005977bee2e6a5e204757da9ba8a62b1b84c4fc402464027 php-dba-5.3.3-50.el6_10.i686.rpm
b83ea83bd4355e18fd6f325db69e224be74c46677a4f2c3b33ed0c158cfeb4fc php-devel-5.3.3-50.el6_10.i686.rpm
aec8198710f38b4a13082c7d65929109a1710b3d83c68be79a798115231ea4c7 php-embedded-5.3.3-50.el6_10.i686.rpm
10026e2a5071b3b216feb83540f2b06fd644a4f793a374023cb8799fd2591ce2 php-enchant-5.3.3-50.el6_10.i686.rpm
e7542a528b421ebede6c4b163756fd230488b5e3b609d0dcb59528ac073e59e6 php-fpm-5.3.3-50.el6_10.i686.rpm
befee548cfb57892af63d293a428c701ab4e8103a863cb55a71ea747d6fad323 php-gd-5.3.3-50.el6_10.i686.rpm
2e17d4530540e2bbd7e81c1a63e8339d3d089b556e9121065df581a114d63be8 php-imap-5.3.3-50.el6_10.i686.rpm
55f998ef7c7bbb0814a64dc5b11cd080d4fcf1fde45b4618cf6b6c0fb6cd130b php-intl-5.3.3-50.el6_10.i686.rpm
8edbb3368f7676552d4378dc8de0025541ebaa47ffc191d8d766719dd2176b5a php-ldap-5.3.3-50.el6_10.i686.rpm
7e1f94a45781ba3223d1ad229b946a14679c6139656400cf19dfc6ddc9712f16 php-mbstring-5.3.3-50.el6_10.i686.rpm
fcbced068cab2243d5315854f9e55b87b6ce63cda6878f9b4b907c61e35a4973 php-mysql-5.3.3-50.el6_10.i686.rpm
70667c57705eafbb71ee774ce4532b1c96a1159094ff15f58f4da0ef384d0ffb php-odbc-5.3.3-50.el6_10.i686.rpm
aab71a3e47fcef5e34aec7f785d3468807cce78003f4588583dfba4880a7e9d6 php-pdo-5.3.3-50.el6_10.i686.rpm
c68658f0e1ca502a445c32cea15959545b38ca5dde7494727d8803a22efd54b6 php-pgsql-5.3.3-50.el6_10.i686.rpm
14177ef0f5ed58319dc65813fdcbf5f88767b5483149a6b105ff5ad3b07d8e8e php-process-5.3.3-50.el6_10.i686.rpm
6cd86f54b44d4531b17924053726f643809221164a4f4a4c63a6501ca18f285f php-pspell-5.3.3-50.el6_10.i686.rpm
d9cea17b69536141e30241879ba56113043ba0d8aa492d8f498db9b1eb0ee45d php-recode-5.3.3-50.el6_10.i686.rpm
5e3d5b55a2dbf961b1c3029b6889e8ab5c9370dbefc7ce728fb7c827fee721db php-snmp-5.3.3-50.el6_10.i686.rpm
d642a71ecf628f8986401a8d609653650b1aa84c3dcd5db08f909cf2c1c55e8b php-soap-5.3.3-50.el6_10.i686.rpm
d5c1cef29b9525a5eb59cf8aa43061ae25be30e7e4d3268143d897d3b2bfb88b php-tidy-5.3.3-50.el6_10.i686.rpm
f39216178f04d8480588d7cccd60faaffea2173df455609346883eb1c6946c57 php-xml-5.3.3-50.el6_10.i686.rpm
ce58a63d95736dafd27908b2302adcd084099133fe34021aea8bb0738c359a39 php-xmlrpc-5.3.3-50.el6_10.i686.rpm
c2b6107645bc4ecd516eedd0f86cd8c25b90d570c463360c2adacf1c07e918e3 php-zts-5.3.3-50.el6_10.i686.rpm
x86_64:
2570f9bc05ada82069f319458a10539f32c460968a1e9a326b83be471e334886 php-5.3.3-50.el6_10.x86_64.rpm
788f4bcaa3540d885b47239def8912ba7423aed62a2cc9e346a9f53fe0f563dd php-bcmath-5.3.3-50.el6_10.x86_64.rpm
42251b1beea2f4f4b612e973c96a9267e53dc82a2c03fc89d993f14e2755b566 php-cli-5.3.3-50.el6_10.x86_64.rpm
084289091aff936e5371f9221040accd9918cff492ddce2a8463bdfa5baea2d4 php-common-5.3.3-50.el6_10.x86_64.rpm
c6b218967f8dcb6b123786a3b5779bbbc88a47ed8bb90d1d924ba03acc64495c php-dba-5.3.3-50.el6_10.x86_64.rpm
34e1cd733754538f18857854265f1cb0073432c3ebd36e9910992160e394e51e php-devel-5.3.3-50.el6_10.x86_64.rpm
80291c6a2f821ab397d81aabbefe7286b1ce694cbd00f4189ba325de8d3a8273 php-embedded-5.3.3-50.el6_10.x86_64.rpm
20565529a0f913697fcf1114486fd7f968f827046d69bf479ddc766a1fc418fb php-enchant-5.3.3-50.el6_10.x86_64.rpm
23aea08f51866215e65657a083b3d6c70cb8c78e5ff754bf55d3154fb08d3832 php-fpm-5.3.3-50.el6_10.x86_64.rpm
41fb2cb2dbadb73c3387490c262a0af77af0ce29e8dfa07598c82a4caf82b613 php-gd-5.3.3-50.el6_10.x86_64.rpm
2a979dc602e355bec6af5629396ab5fd8e10a7d5b8b054a303d3a4acd2e45b79 php-imap-5.3.3-50.el6_10.x86_64.rpm
2efe4c34163ef62e9ebf0a356c99296711bc4da2d447fde165dc4b2bce4d3567 php-intl-5.3.3-50.el6_10.x86_64.rpm
2a5b52e19f24f7f3cdffc0a2af37e150d370831257a085b1e961f6e7b6aa3d18 php-ldap-5.3.3-50.el6_10.x86_64.rpm
d82c71a3b679a15a7f12a55a880e1989d988c2fd6c22a22eadba2875a7dbe620 php-mbstring-5.3.3-50.el6_10.x86_64.rpm
95e3edd3146ab92cc5204f5cc13de8d19601edc2b9f7a9c5962723e01c0911ff php-mysql-5.3.3-50.el6_10.x86_64.rpm
18f604c573c24ac61d62567450c6613787c883f7852b2001cc24622ea253a959 php-odbc-5.3.3-50.el6_10.x86_64.rpm
62bf86d47dc5fe8aad57549df86e1403d060ca30b82c36a07cbd4a495b3a78f8 php-pdo-5.3.3-50.el6_10.x86_64.rpm
3b1d8c2cee8256856a18d0a75b73e5a147e754db832e71deb05b28117b5abd0f php-pgsql-5.3.3-50.el6_10.x86_64.rpm
cabc8f6e2d0112c9e43beef1e959d23c39526c1c4faa3fe016f0e73014c39e6a php-process-5.3.3-50.el6_10.x86_64.rpm
731b3e0cf46a674cfdd556e89f345c52f49e6bb3184fa930a1ab05d182e1f025 php-pspell-5.3.3-50.el6_10.x86_64.rpm
fb762919caeb856ff84751388121f8aada01a1e98c47e3f0d6f255c85745a5ec php-recode-5.3.3-50.el6_10.x86_64.rpm
c45ef0f39b3e11421a32197942c4e82adbd8d321a906f095da98cd9cbfceeffb php-snmp-5.3.3-50.el6_10.x86_64.rpm
86a9a637c78dc4606ac8dbfa4affdf3285e542509fd95e7446cf69e0fe519c7a php-soap-5.3.3-50.el6_10.x86_64.rpm
9858f931978f6e59f89115b41de33341e9bbb33149f008d3b1c6ee9489cee6b5 php-tidy-5.3.3-50.el6_10.x86_64.rpm
db6ca7f702fc2e9c022301e3ddd1b1fd7fcba548ccd372124e61d03f9543a683 php-xml-5.3.3-50.el6_10.x86_64.rpm
042884d6be74325bb8fca47d36dd6fc3ca5a345906b4b2608cb14843e6b078de php-xmlrpc-5.3.3-50.el6_10.x86_64.rpm
0e886488705bc5fe4f4abc7533620e26e96a98244fa169e18fc06ae6b77c93cb php-zts-5.3.3-50.el6_10.x86_64.rpm
Source:
ddd0f179582dda7b9f0ef2936948e62455509a7ee651ecc24e33468a20b9b10a php-5.3.3-50.el6_10.src.rpm