CVE-2020-19491 Memory corruption in n/a

High 7.8 Published 21 Jul 2021 Updated 4 Aug 2024

A crafted input triggers invalid memory access in sam2p, causing a segmentation fault and denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-19491?

CVE-2020-19491 is a high-severity memory corruption vulnerability in n/a, published on 21 Jul 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.

Weakness: CWE-787

Which versions are affected by CVE-2020-19491?

It affects 1 product.

Products include Sam2p Project Sam2p.

How do I fix CVE-2020-19491?

No fix has been published for CVE-2020-19491 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2020-19491 being exploited?

There is no known exploitation of CVE-2020-19491 in the wild and no public exploit code.

Sources

Also known as GHSA-qp4r-f3q5-qpqr, UBUNTU-CVE-2020-19491.