CVE-2016-4540

Published: 06 May 2016

The grapheme_stripos function in ext/intl/grapheme/grapheme_string.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a negative offset.

Priority

Low

CVSS 3 base score: 9.8

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
Upstream
Released (5.6.21+dfsg-1)
Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr)
Released (5.5.9+dfsg-1ubuntu4.17)
Patches:
Upstream: https://git.php.net/?p=php-src.git;a=commit;h=fd9689745c44341b1bd6af4756f324be8abba2fb
php7.0
Launchpad, Ubuntu, Debian
Upstream
Released (7.0.6-1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (7.0.4-7ubuntu2.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: https://git.php.net/?p=php-src.git;a=commit;h=fd9689745c44341b1bd6af4756f324be8abba2fb