CVE-2021-44496: An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base)

Q: How do I fix CVE-2021-44496?

gt.m: upgrade to newer than 7.0-000. Exact commands for each OS are on this page.

Q: Is CVE-2021-44496 being exploited?

CVE-2021-44496 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-44496 affect?

CVE-2021-44496 affects gt.m. Severity is critical (CVSS 9.8). An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key

Q: How urgent is CVE-2021-44496?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2021-44496 is a critical-severity flaw (CVSS 9.8) affecting gt.m. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Weakness	CWE-119
Published	2022-04-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fisglobal

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-04-15 18:15 UTCPublished CVE record published
2026-06-17 04:12 UTCUpdated Record last modified

fisglobal gt.m UPGRADE

Affected: <= 7.0-000

Fixed in: newer than 7.0-000

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gt.m || rpm -q gt.m || gt.m --version

2. UPGRADE to newer than 7.0-000 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gt.m

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gt.m

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-44496?

gt.m: upgrade to newer than 7.0-000. Exact commands for each OS are on this page.

Is CVE-2021-44496 being exploited?

CVE-2021-44496 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-44496 affect?

CVE-2021-44496 affects gt.m. Severity is critical (CVSS 9.8). An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key

How urgent is CVE-2021-44496?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2021-44510 HIGH 7.5 UPGRADE An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base)
CVE-2021-44509 HIGH 7.5 UPGRADE An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base)
CVE-2021-44508 HIGH 7.5 UPGRADE An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base)
CVE-2021-44507 HIGH 7.5 UPGRADE An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base)
CVE-2021-44506 HIGH 7.5 UPGRADE An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base)

References

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