CVE-2021-45911: Debian Linux

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow in the main function. It allows an attacker to write 2 bytes outside the boundaries of the buffer.

Affected products

Published 2021-12-28. Last modified 2026-06-17.