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CVE-2026-4746

CRITICAL
10.0
CVSS 4.0
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.

Metadata

CVE ID
CVE-2026-4746
State
PUBLISHED
Assigner
GovTech CSG
Reserved
2026-03-24 03:28 UTC
Published
2026-03-24 03:28 UTC
Last updated
2026-03-24 18:25 UTC
Primary CWE
CWE-787
CWE-787 Out-of-bounds Write
Vendor / Product
timeplus-io / proton
Sources
cve.org  ·  NVD

Severity & Metrics

10.0 CRITICAL CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
timeplus-io proton — 0 < 1.6.16
Weakness (CWE)
CWESourceDescription
CWE-787 cna CWE-787 Out-of-bounds Write
CVSS scores (1)
ScoreSeverityVersionSourceVector
10.0 CRITICAL 4.0 cna 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
References (1)
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