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SUSE: Critical Cache Vulnerability & Spoofing Security Patch 2025:3904-2

suse
Calendar Grey October 31, 2025
Dist Suse Esm H88
An important security update for SUSE bind fixes multiple vulnerabilities, improving system integrity and DNS security.
* bsc#1252378 * bsc#1252379 * bsc#1252380 Cross-References:

Summary

## This update for bind fixes the following issues: Upgrade to release 9.20.15: * CVE-2025-8677: DNSSEC validation fails if matching but invalid DNSKEY is found (bsc#1252378). * CVE-2025-40778: Address various spoofing attacks (bsc#1252379). * CVE-2025-40780: Cache-poisoning due to weak pseudo-random number generator (bsc#1252380). ## 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: * Server Applications Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2025-3903=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2025-3903=1 ## Package List:

Topics%20covered

Topics Covered

security advisory SuSE bind important cache poisoning spoofing

References

* bsc#1252378

* bsc#1252379

* bsc#1252380

Cross-

* CVE-2025-40778

* CVE-2025-40780

* CVE-2025-8677

CVSS scores:

* CVE-2025-40778 ( SUSE ): 9.2

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

* CVE-2025-40778 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

* CVE-2025-40778 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

* CVE-2025-40780 ( SUSE ): 9.2

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

* CVE-2025-40780 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

* CVE-2025-40780 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

* CVE-2025-8677 ( 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:3903-1
Release Date: 2025-10-31T17:08:28Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE bind important cache poisoning spoofing

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