CVE-2021-39596: Swftools

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function code_parse() located in code.c. It allows an attacker to cause Denial of Service.

Affected products

• Swftools Swftools: up to and including 2020-07-10

Published 2021-09-20. Last modified 2026-06-17.