CVE-2021-44509

Name: CVE-2021-44509
Creator: NVD / NIST
Published: 2022-04-15T18:15:09.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.55%

Last modified Jun 17, 2026

CVE-2021-44509 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.55%

72.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-191

Affected Software

Vendor	Product	Versions
Fisglobal	Gt.M	<= 7.0-000

References

http://tinco.pair.com/bhaskar/gtm/doc/articles/GTM_V7.0-002_Release_Notes.htmlRelease Notes, Third Party Advisory
https://gitlab.com/YottaDB/DB/YDB/-/issues/828Issue Tracking, Patch, Third Party Advisory
https://sourceforge.net/projects/fis-gtm/files/Product, Third Party Advisory
http://tinco.pair.com/bhaskar/gtm/doc/articles/GTM_V7.0-002_Release_Notes.htmlRelease Notes, Third Party Advisory
https://gitlab.com/YottaDB/DB/YDB/-/issues/828Issue Tracking, Patch, Third Party Advisory
https://sourceforge.net/projects/fis-gtm/files/Product, Third Party Advisory

Timeline

Published: Apr 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44509?

How severe is CVE-2021-44509?

CVE-2021-44509 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44509?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44509?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST