CVE-2018-3847: Nasa Cfitsio

High severity, CVSS 8.8. EPSS: 2.8% chance of exploitation in the next 30 days.

Multiple exploitable buffer overflow vulnerabilities exist in image parsing functionality of the CFITSIO library version 3.42. Specially crafted images parsed via the library, can cause a stack-based buffer overflow overwriting arbitrary data. An attacker can deliver an FIT image to trigger this vulnerability and potentially gain code execution.

Affected products

• Nasa Cfitsio: version 3.42 only

Published 2018-08-01. Last modified 2026-06-17.