CVE-2021-33388 Memory corruption in n/a

Critical 9.8 Published 22 Aug 2023 Updated 3 Oct 2024

A heap buffer overflow in the dpic compiler allows attackers to execute arbitrary code or cause a denial of service via crafted input.

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

What is CVE-2021-33388?

CVE-2021-33388 is a critical memory corruption vulnerability in n/a, published on 22 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

dpic 2021.04.10 has a Heap Buffer Overflow in themakevar() function in dpic.y

Weakness: CWE-787

Which versions are affected by CVE-2021-33388?

It affects 1 product.

Products include Dpic Project Dpic.

How do I fix CVE-2021-33388?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-33388 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-33388 exists.

Sources

Also known as DEBIAN-CVE-2021-33388, GHSA-fhch-25m3-c9rc, UBUNTU-CVE-2021-33388.