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SUSE Linux Micro 6.2 gnutls Moderate DoS Buffer Overflow Vuln 2026-20968-1

suse
Calendar Grey April 8, 2026
Dist Suse Esm H88
Install the latest SUSE gnutls update fixing two issues including DoS and buffer overflow.
An update that solves two vulnerabilities, contains two features and has one fix can now be installed.

Summary

## This update for gnutls fixes the following issues: * CVE-2025-14831: Fixed DoS via excessive resource consumption during certificate verification. (bsc#1257960) * CVE-2025-9820: Fixed a buffer overflow in gnutls_pkcs11_token_init. (bsc#1254132) * Add the functionality to allow to specify the hash algorithm for the PSK. This fixes a bug in the current implementation where the binder is always calculated with SHA256. (bsc#1258083, jsc#PED-15752, jsc#PED-15753) ## 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-6.2-464=1 ## Package List: * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)

Topics%20covered

Topics Covered

security advisory moderate buffer overflow SuSE DoS gnutls

References

* bsc#1254132

* bsc#1257960

* bsc#1258083

* jsc#PED-15752

* jsc#PED-15753

Cross-

* CVE-2025-14831

* CVE-2025-9820

CVSS scores:

* CVE-2025-14831 ( SUSE ): 6.9

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

* CVE-2025-14831 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2025-14831 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2025-9820 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2025-9820 ( NVD ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products:

* SUSE Linux Micro 6.2

An update that solves two vulnerabilities, contains two features and has one fix

can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-14831.html

* https://www.suse.com/security/cve/CVE-2025-9820.html

Announcement ID: SUSE-SU-2026:20968-1
Release Date: 2026-03-30T14:33:01Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate buffer overflow SuSE DoS gnutls

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