The object_common1 function in ext/standard/var_unserializer.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call.
2017-01-24T21:59:00.260
2025-04-20T01:37:25.860
Deferred
CVSSv3.0: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | php | php | ≤ 5.6.29 | Yes |
Application | php | php | 7.0.0 | Yes |
Application | php | php | 7.0.1 | Yes |
Application | php | php | 7.0.2 | Yes |
Application | php | php | 7.0.3 | Yes |
Application | php | php | 7.0.4 | Yes |
Application | php | php | 7.0.5 | Yes |
Application | php | php | 7.0.6 | Yes |
Application | php | php | 7.0.7 | Yes |
Application | php | php | 7.0.8 | Yes |
Application | php | php | 7.0.9 | Yes |
Application | php | php | 7.0.10 | Yes |
Application | php | php | 7.0.11 | Yes |
Application | php | php | 7.0.12 | Yes |
Application | php | php | 7.0.13 | Yes |
Application | php | php | 7.0.14 | Yes |
Application | php | php | 7.1.0 | Yes |