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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
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https://security.netapp.com/advisory/ntap-20180112-0001/ [No Types Assigned]
https://www.debian.org/security/2018/dsa-4080 [No Types Assigned]
https://security.gentoo.org/glsa/201709-21 [No Types Assigned]
http://php.net/ChangeLog-7.php No Types Assigned
http://php.net/ChangeLog-7.php Release Notes, Vendor Advisory
http://www.securityfocus.com/bid/100427 No Types Assigned
http://www.securityfocus.com/bid/100427 Third Party Advisory, VDB Entry
https://bugs.php.net/bug.php?id=74103 No Types Assigned
https://bugs.php.net/bug.php?id=74103 Issue Tracking, Vendor Advisory
https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4 No Types Assigned
https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4 Patch, Third Party Advisory
http://www.securityfocus.com/bid/100427 [No Types Assigned]