CVE-2018-10677: Miniupnp Project Ngiflib

High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days.

The DecodeGifImg function in ngiflib.c in MiniUPnP ngiflib 0.4 lacks certain checks against width and height, which allows remote attackers to cause a denial of service (WritePixels heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted GIF file.

Affected products

• Miniupnp Project Ngiflib: version 0.4 only

Published 2018-05-02. Last modified 2026-06-17.