CVE-2021-42195: Swftools

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in swftools through 20201222. A heap-buffer-overflow exists in the function handleEditText() located in swfdump.c. It allows an attacker to cause code Execution.

Affected products

• Swftools Swftools: up to and including 2020-12-22

Published 2022-06-02. Last modified 2026-06-17.