CVE-2021-44494 Null dereference in n/a

High 7.5 Published 15 Apr 2022 Updated 4 Aug 2024

An attacker can cause a denial of service in YottaDB and FIS GT.M databases by triggering a NULL pointer dereference via crafted input to ZRead.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2021-44494?

CVE-2021-44494 is a high-severity vulnerability in n/a, published on 15 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 calls to ZRead to crash due to a NULL pointer dereference.

Weakness: CWE-476

Which versions are affected by CVE-2021-44494?

It affects 2 products.

Products include Fisglobal Gt.m, Yottadb Yottadb.

How do I fix CVE-2021-44494?

Upgrade to a fixed version.

Is CVE-2021-44494 being exploited?

There is no known exploitation of CVE-2021-44494 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2021-44494, GHSA-vw7c-8m5r-ggfj, UBUNTU-CVE-2021-44494.