Integer overflow in the fread function in ext/standard/file.c in PHP before 5.5.36 and 5.6.x before 5.6.22 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large integer in the second argument.
[
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "59658699804530916909432655870060592158",
                "150474154856362723912272717948342756027",
                "317588566651663129606302716960869322617"
            ]
        },
        "target": {
            "file": "ext/standard/file.c"
        },
        "id": "CVE-2016-5096-9cdc50fc",
        "source": "https://github.com/php/php-src/commit/abd159cce48f3e34f08e4751c568e09677d5ec9c",
        "signature_type": "Line"
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "function_hash": "85333988347855488580493020040994606941",
            "length": 572.0
        },
        "target": {
            "function": "PHP_FUNCTION",
            "file": "ext/standard/file.c"
        },
        "id": "CVE-2016-5096-efa3368b",
        "source": "https://github.com/php/php-src/commit/abd159cce48f3e34f08e4751c568e09677d5ec9c",
        "signature_type": "Function"
    }
]