CVE-2021-45907: GIF2APNG Project GIF2APNG

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a for loop. An attacker has little influence over the data written to the stack, making it unlikely that the flow of control can be subverted.

Affected products

• GIF2APNG Project GIF2APNG: version 1.9 only

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