CVE-2026-4746

Heap Buffer Over-Write Vulenrabilty in timeplus-io/proton

State: Published
Severity: 10.0 Critical
Published: Mar 24, 2026
Updated: Mar 24, 2026
Reserved: Mar 24, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	10.0 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/S:N/AU:Y/R:U/V:C/RE:L/U:Amber	GovTech CSG

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
protontimeplus-io	before 1.6.16Affected

References

https://github.com/timeplus-io/proton/pull/943patch

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