6.7 Medium
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
68.0%
The unpack implementation in Swoole version 4.0.4 lacks correct size checks in the deserialization process. An attacker can craft a serialized object to exploit this vulnerability and cause a SEGV.
github.com/swoole/swoole-src/commit/4cdbce5d9bf2fe596bb6acd7d6611f9e8c253a76
github.com/swoole/swoole-src/issues/1882
x-c3ll.github.io/posts/swoole-deserialization-cve-2018-15503/