Stack-based buffer overflow in GCoreServer.exe in the server in Geutebrueck Gcore 1.3.8.42 and 1.4.2.37 allows remote attackers to execute arbitrary code via a long URI in a GET request.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
29% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)