Buffer overflow in Timeplus-Io Proton

CVE-2026-4746

Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is associated with program files inflate.C. This issue affects proton: before 1.6.16.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (20.0th percentile) — read the EPSS interpretation.