VULNERABILITY INTELLIGENCE

CVE-2018-15503

CVSS score7.5 HIGH
EPSS probability2.27%
CISA KEVNot currently listed
Published2018-08-18
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • CWE-502: Deserialization of Untrusted Data

Primary references