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Ubuntu Server 20.04 nginx Major Security Vulnerabilities Patch USN-4884-1

suse
Calendar Grey January 28, 2026
Dist Suse Esm H88
Update for avahi resolves three issues affecting SUSE Linux Micro users. Apply this moderate advisory to enhance system integrity.
An update that solves three vulnerabilities can now be installed.

Summary

## This update for avahi fixes the following issues: * CVE-2025-68276: Fixed refuse to create wide-area record browsers when wide- area is off (bsc#1256498) * CVE-2025-68471: Fixed DoS bug by changing assert to return (bsc#1256500) * CVE-2025-68468: Fixed DoS bug by removing incorrect assertion (bsc#1256499) ## 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 Micro 6.2 zypper in -t patch SUSE-SL-Micro-6.2-193=1 ## Package List: * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64) * libavahi-common3-debuginfo-0.8-160000.4.1 * libavahi-client3-0.8-160000.4.1 * libavahi-client3-debuginfo-0.8-160000.4.1 * avahi-0.8-160000.4.1

Topics%20covered

Topics Covered

security advisory moderate denial of service security update SuSE avahi

References

* bsc#1256498

* bsc#1256499

* bsc#1256500

Cross-

* CVE-2025-68276

* CVE-2025-68468

* CVE-2025-68471

CVSS scores:

* CVE-2025-68276 ( SUSE ): 6.8

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

* CVE-2025-68276 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-68276 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-68468 ( SUSE ): 7.1

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

* CVE-2025-68468 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2025-68468 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2025-68471 ( SUSE ): 7.1

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

Announcement ID: SUSE-SU-2026:20167-1
Release Date: 2026-01-26T09:45:24Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate denial of service security update SuSE avahi

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