What is CVE-2021-44488?

CVE-2021-44488 is a critical-severity vulnerability in Fisglobal Gt.m, classified under Out-of-bounds Write. CVSS score: 9.1/10. Published 2022-04-15.

How severe is CVE-2021-44488?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Buffer overflow in Fisglobal Gt.m

CVE-2021-44488

An issue was discovered in YottaDB through r1.32 and V7.0-000. Using crafted input, attackers can control the size and input to calls to memcpy in op_fnfnumber in sr_port/op_fnfnumber.c in order to corrupt memory or crash the application.

Vulnerability class: Buffer Overflow

Published 2022-04-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

gitlab.com/YottaDB/DB/YDB/-/issues/828 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-44488?: CVE-2021-44488 is a critical-severity vulnerability in Fisglobal Gt.m, classified under Out-of-bounds Write. CVSS score: 9.1/10. Published 2022-04-15.
How severe is CVE-2021-44488?: Critical severity. CVSS v3 base score is 9.1 out of 10.