CVE-2020-23884

MEDIUM 5.5CVE-2020-23884 · Published 10/11/2021 · updated 17/06/2026

In short

CVE-2020-23884 is a MEDIUM (CVSS 5.5) vulnerability affecting nomacs (nomacs).
Chance of exploitation in the next 30 days (EPSS): 0.98%, higher than 62.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
nomacs nomacs	`= 3.15.0`	No fix yet

A buffer overflow in Nomacs v3.15.0 allows attackers to cause a denial of service (DoS) via a crafted MNG file.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.