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Critical · 9.8 CVE-2018-25427 EUVD-2018-21957GHSA-phhg-j5g3-4q79

Arm Whois 3.11 Buffer Overflow via SEH Overwrite

Published Jun 1, 2026 · Updated Jun 2, 2026 · Assigned by VulnCheck

Description

Arm Whois 3.11 contains a stack-based buffer overflow vulnerability that allows remote attackers to execute arbitrary code by supplying oversized input to the IP address or domain field. Attackers can craft malicious input exceeding 658 bytes with shellcode to overwrite the structured exception handler and gain command execution when the application processes the input.

Affected products

VendorProductAffectedFixed
Armcode Arm Whois 3.11 —

References