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SUSE: Netty Important Denial of Service Advisory SUSE-SU-2025:03114-1

suse
Calendar Grey September 9, 2025
Dist Suse Esm H88
Apply the critical security patch for netty and netty-tcnative to mitigate denial of service vulnerabilities that impact multiple SUSE platforms.
* bsc#1247991 * bsc#1249116 * bsc#1249134 Cross-References:

Summary

## This update for netty, netty-tcnative fixes the following issues: Upgrade to upstream version 4.1.126. Security issues fixed: * CVE-2025-58057: decompression codecs allocating a large number of buffers after processing specially crafted input can cause a denial of service (bsc#1249134). * CVE-2025-58056: incorrect parsing of chunk extensions can lead to request smuggling (bsc#1249116). * CVE-2025-55163: "MadeYouReset" denial of serivce attack in the HTTP/2 protocol (bsc#1247991). Other issues fixed: * Fixes from version 4.1.126 * Fix IllegalReferenceCountException on invalid upgrade response. * Drop unknown frame on missing stream. * Don't try to handle incomplete upgrade request. * Update to netty-tcnative 2.0.73Final. * Fixes from version 4.1.124

Topics%20covered

Topics Covered

security advisory denial of service SuSE important netty netty-tcnative

References

* bsc#1247991

* bsc#1249116

* bsc#1249134

Cross-

* CVE-2025-55163

* CVE-2025-58056

* CVE-2025-58057

CVSS scores:

* CVE-2025-55163 ( SUSE ): 8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-55163 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-55163 ( NVD ): 8.2

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2025-58056 ( NVD ): 2.9

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03114-1
Release Date: 2025-09-09T10:36:11Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE important netty netty-tcnative

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