جزئیات آسیب‌پذیری

Uncontrolled recursion in MessagePack\BufferUnpacker::unpack() in rybakit/msgpack versions prior to 0.11.0 allows attackers to cause a denial of service through memory exhaustion when an application decodes deeply nested, attacker-controlled MessagePack input.

• https://github.com/rybakit/msgpack.php
• https://github.com/rybakit/msgpack.php/releases/tag/v0.11.0
• https://github.com/diptendukar/security-advisories/blob/main/CVE-2026-106972.md