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openSUSE: netty Important Denial of Service Issues SUSE-SU-2025:03114-1

opensuse
Calendar Grey September 9, 2025
Dist Opensuse Esm H88
Crucial patch enhances security vulnerabilities in netty and netty-tcnative for openSUSE, urging rapid deployment.
An update that solves three vulnerabilities can now be installed.

Description

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

* Fix NPE and AssertionErrors when many tasks are scheduled and cancelled.

* HTTP2: Http2ConnectionHandler should always use Http2ConnectionEncoder.

* Epoll: Correctly handle UDP packets with...

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Topics%20covered

Topics Covered

security advisory denial of service patch important OpenSUSE netty

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-3114=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-3114=1

* SUSE Linux Enterprise Server 15 SP3 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2025-3114=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-3114=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-3114=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP3

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2025-3114=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch...

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Package List

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64

x86_64)

* netty-tcnative-2.0.73-150200.3.30.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64

x86_64)

* netty-tcnative-2.0.73-150200.3.30.1

* SUSE Linux Enterprise Server 15 SP3 LTSS (aarch64 ppc64le s390x x86_64)

* netty-tcnative-2.0.73-150200.3.30.1

* SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)

* netty-tcnative-2.0.73-150200.3.30.1

* SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)

* netty-tcnative-2.0.73-150200.3.30.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP3 (ppc64le x86_64)

* netty-tcnative-2.0.73-150200.3.30.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)

* netty-tcnative-2.0.73-150200.3.30.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)

* netty-tcnative-2.0.73-150200.3.30.1

* SUSE Enterprise Storage 7.1 (aarch64 x86_64)

* netty-tcnative-2.0.73-150200.3.30.1

* openSUSE Leap...

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References

* bsc#1247991

* bsc#1249116

* bsc#1249134

## References:

* https://www.suse.com/security/cve/CVE-2025-55163.html

* https://www.suse.com/security/cve/CVE-2025-58056.html

* https://www.suse.com/security/cve/CVE-2025-58057.html

* https://bugzilla.suse.com/show_bug.cgi?id=1247991

* https://bugzilla.suse.com/show_bug.cgi?id=1249116

* https://bugzilla.suse.com/show_bug.cgi?id=1249134

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03114-1
Release Date: 2025-09-09T10:36:11Z
Affected Products: * Development Tools Module 15-SP6 * Development Tools Module 15-SP7 * openSUSE Leap 15.6 * SUSE Enterprise Storage 7.1 * SUSE Linux Enterprise Desktop 15 SP6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise High Performance Computing 15 SP3 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP3 * SUSE Linux Enterprise Server 15 SP3 LTSS * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP3 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7 * SUSE Package Hub 15 15-SP6 * SUSE Package Hub 15 15-SP7

Topics%20covered

Topics Covered

security advisory denial of service patch important OpenSUSE netty

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