Bug#1111105: netty: CVE-2025-55163

[Salvatore Bonaccorso]

Source: netty
Version: 1:4.1.48-10
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for netty.

CVE-2025-55163[0]:
| Netty is an asynchronous, event-driven network application
| framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is
| vulnerable to MadeYouReset DDoS. This is a logical vulnerability in
| the HTTP/2 protocol, that uses malformed HTTP/2 control frames in
| order to break the max concurrent streams limit - which results in
| resource exhaustion and distributed denial of service. This issue
| has been patched in versions 4.1.124.Final and 4.2.4.Final.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-55163
    https://www.cve.org/CVERecord?id=CVE-2025-55163
[1] https://github.com/netty/netty/security/advisories/GHSA-prj3-ccx8-p6x4

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore