CVE-2021-44509: Fisglobal Gt.m

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, attackers can cause an integer underflow of the size of calls to memset in op_fnj3 in sr_port/op_fnj3.c in order to cause a segmentation fault and crash the application.

Affected products

• Fisglobal Gt.m: up to and including 7.0-000

Published 2022-04-15. Last modified 2026-06-17.