CVE-2020-14409 Integer overflow in n/a

High 7.8 Published 19 Jan 2021 Updated 4 Aug 2024

An attacker can trigger heap corruption and potential code execution by providing a crafted BMP file to applications using the SDL library.

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: Available

What is CVE-2020-14409?

CVE-2020-14409 is a high-severity vulnerability in Debian Debian Linux, published on 19 Jan 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

SDL (Simple DirectMedia Layer) through 2.0.12 has an Integer Overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in video/SDL_blit_copy.c via a crafted .BMP file.

Weakness: CWE-787, CWE-190

Which versions are affected by CVE-2020-14409?

It affects 4 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Libsdl Simple Directmedia Layer, Starwindsoftware Starwind Virtual San.

How do I fix CVE-2020-14409?

Upgrade to a fixed version.

Is CVE-2020-14409 being exploited?

There is no known exploitation of CVE-2020-14409 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-14409, GHSA-3656-jvhv-q239, JLSEC-2026-362, UBUNTU-CVE-2020-14409.