CVE-2021-45910: 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 within the main function. It allows an attacker to write data outside of the allocated buffer. The attacker has control over a part of the address that data is written to, control over the written data, and (to some extent) control over the amount of data that is written.

Affected products

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