CVE-2022-41881: Debian Linux

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

Netty project is an event-driven asynchronous network application framework. In versions prior to 4.1.86.Final, a StackOverflowError can be raised when parsing a malformed crafted message due to an infinite recursion. This issue is patched in version 4.1.86.Final. There is no workaround, except using a custom HaProxyMessageDecoder.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Netty Netty: before 4.1.86 (fixed in 4.1.86)

Published 2022-12-12. Last modified 2026-06-17.