CVE-2022-41881

Name: CVE-2022-41881
Creator: NVD / NIST
Published: 2022-12-12T18:15:12.773+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.47%

Last modified Jun 17, 2026

CVE-2022-41881 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.47%

70.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Netty	Netty	< 4.1.86
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0

References

https://github.com/netty/netty/security/advisories/GHSA-fx2c-96vj-985vExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00008.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230113-0004/Third Party Advisory
https://www.debian.org/security/2023/dsa-5316Third Party Advisory
https://github.com/netty/netty/security/advisories/GHSA-fx2c-96vj-985vExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00008.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230113-0004/Third Party Advisory
https://www.debian.org/security/2023/dsa-5316Third Party Advisory

Timeline

Published: Dec 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-41881?

How severe is CVE-2022-41881?

CVE-2022-41881 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.

How do I fix CVE-2022-41881?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-41881?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST