CVE
CVE-2026-4746
Heap Buffer Over-Write Vulenrabilty in timeplus-io/proton
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.
Package Versions Affected
Package Version
patch Availability
No items found.
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector

C
H
U
10
-
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:L/U:Amber

C
H
U
0
-

C
H
U
-
Related Resources
No items found.
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4746.json, https://nvd.nist.gov/vuln/detail/CVE-2026-4746, https://github.com/timeplus-io/proton/pull/943, https://github.com/timeplus-io/proton