High severity7.5OSV Advisory· Published Aug 18, 2018· Updated Jun 17, 2026
CVE-2018-15503
CVE-2018-15503
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
21.8.10-stable, 1.8.11-alpha, 1.8.11-beta, …+ 1 more
- (no CPE)range: 1.8.10-stable, 1.8.11-alpha, 1.8.11-beta, …
- (no CPE)range: =4.0.4
Patches
Vulnerability mechanics
References
3- github.com/swoole/swoole-src/commit/4cdbce5d9bf2fe596bb6acd7d6611f9e8c253a76nvdPatchVendor Advisory
- github.com/swoole/swoole-src/issues/1882nvdIssue TrackingVendor Advisory
- x-c3ll.github.io/posts/swoole-deserialization-cve-2018-15503/nvdTechnical DescriptionThird Party Advisory
News mentions
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