spl_array.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data.
2016-08-07T10:59:19.167
2025-04-12T10:46:40.837
Deferred
CVSSv3.1: 9.8 (CRITICAL)
AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | php | php | < 5.5.37 | Yes |
Application | php | php | < 5.6.23 | Yes |
Application | php | php | < 7.0.8 | Yes |
Operating System | opensuse | leap | 42.1 | Yes |
Operating System | opensuse | opensuse | 13.2 | Yes |
Operating System | debian | debian_linux | 8.0 | Yes |