High (7.5). EPSS 1.8% chance of exploitation in the next 30 days.
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function and the imagesize variable.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.8% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)