CVE-2021-44488

Name: CVE-2021-44488
Creator: NVD / NIST
Published: 2022-04-15T18:15:08.647+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.98%

Last modified Jun 17, 2026

CVE-2021-44488 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 0.98% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

0.98%

57.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Fisglobal	Gt.M	<= 7.0-000
Yottadb	Yottadb	<= 1.32

References

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

Timeline

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

Frequently Asked Questions

What is CVE-2021-44488?

How severe is CVE-2021-44488?

CVE-2021-44488 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44488?

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-2021-44488?

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

Scan your code now

Source: NVD / NIST