Use-after-free vulnerability in PHP session deserializer

CVE-2015-6835 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.

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