CVE-2021-32421 Use after free in n/a

High 7.5 Published 22 Aug 2023 Updated 3 Oct 2024

A heap use-after-free in dpic allows attackers to execute arbitrary code or cause 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-2021-32421?

CVE-2021-32421 is a high-severity use after free 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 2021.01.01 has a Heap Use-After-Free in thedeletestringbox() function in dpic.y.

Weakness: CWE-416

Which versions are affected by CVE-2021-32421?

It affects 1 product.

Products include Dpic Project Dpic.

How do I fix CVE-2021-32421?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2021-32421 being exploited?

There is no known exploitation of CVE-2021-32421 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2021-32421, GHSA-r783-x675-fgwx, UBUNTU-CVE-2021-32421.