CVE-2022-22820: Linecorp Line

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Due to the lack of media file checks before rendering, it was possible for an attacker to cause abnormal CPU consumption for message recipient by sending specially crafted gif image in LINE for Windows before 7.4.

Affected products

• Linecorp Line: before 7.4.0 (fixed in 7.4.0)

Published 2022-01-20. Last modified 2026-06-17.