CVE-2018-15503

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    CVE-2018-15503

    Published: 18 Aug 2018Last Modified: 7 Aug 2026

    Summary:

    Details: 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.

    References: https://x-c3ll.github.io/posts/swoole-deserialization-cve-2018-15503/, https://github.com/swoole/swoole-src/issues/1882, https://github.com/swoole/swoole-src/commit/4cdbce5d9bf2fe596bb6acd7d6611f9e8c253a76

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 45d5548b4694c5a12cbf2791f783345dc649248f
    Fixed -None

    Affected versions

    4.0.4

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2018-15503 | CVE-DB