CVE-2026-55206: py7zr: O(n^2) algorithmic complexity DoS in PackInfo._read()

Ghostwire Analysis — What This Means Practically

• 1 proof-of-concept exploit available on GitHub. Public exploit code lowers the barrier for both researchers and attackers.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.