Integer Overflow in unserialize function in PHP versions before 5.4.34, 5.5.x before 5.5.18, and 5.6.x before 5.6.2

CVE-2014-3669 · HIGH Severity

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

Integer overflow in the object_custom function in ext/standard/var_unserializer.c in PHP before 5.4.34, 5.5.x before 5.5.18, and 5.6.x before 5.6.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an argument to the unserialize function that triggers calculation of a large length value.

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