CVE-2021-44493: Fisglobal Gt.m

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

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, an attacker can cause a call to $Extract to force an signed integer holding the size of a buffer to take on a large negative number, which is then used as the length of a memcpy call that occurs on the stack, causing a buffer overflow.

Affected products

  • Fisglobal Gt.m: up to and including 7.0-000
  • Yottadb Yottadb: up to and including 1.32

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