TI-2018-11057 Aliases CVE-2018-15503 GHSA-wp68-99q2-jm6p

The unpack implementation in Swoole version 4.0.4 lacks correct size checks in the…

LOW 37CWE-502Published 2018-08-18 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

EPSS 0.02272 83rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:swoole:swoole:4.0.4:::::::*	4.0.4	Vulnerable	swoole

cpe:2.3:a:swoole:swoole:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·swoole

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-15503
2026-10-03 Alias added: GHSA-wp68-99q2-jm6p

References

Patch 1

https://github.com/swoole/swoole-src/commit/4cdbce5d9bf2fe596bb6acd7d6611f9e8c253a76

Advisory 2

TI-2020-14863 A HTTP response header injection vulnerability in Swoole v4.5.2 allows attackers to… CVSS 3.1MEDIUM 6.5
TI-2019-11618 Swoole before 4.2.13 allows directory traversal in swPort_http_static_handler. CVSS 3.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences