CVE-2026-4746

Critical

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.

SeverityCritical

CVSS10.0

Exploit probability—

ProductTimeplus-io Proton

PublishedMar 24, 2026

First seenMar 24, 2026

Weakness typeCWE-787Out-of-bounds write

How to fix

Update

timeplus-io proton1.6.16 or later

Patches

github.com/timeplus-io/proton/pull/943

Affected products

Product	Affected versions	Fixed in
timeplus-io proton	v < 1.6.16	1.6.16

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