Alerts This Week
Warning Icon 1 680
Alerts This Week
Warning Icon 1 680

SUSE Security Update for krb5 Moderate Threat Advisory 2026-2449-1

suse
Calendar Grey June 18, 2026
Dist Suse Esm H88
SUSE releases a moderate security update for krb5 addressing two vulnerabilities. Important patching recommended.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for krb5 fixes the following issues ## 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: * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-2449=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-2449=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-2449=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-2449=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-2449=1 ## Package List: * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586) * krb5-mini-devel-1.19.2-150400.3.21.1

Topics%20covered

Topics Covered

security advisory moderate SuSE DoS vulnerability krb5

References

* bsc#1263366

* bsc#1263367

Cross-

* CVE-2026-40355

* CVE-2026-40356

CVSS scores:

* CVE-2026-40355 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-40355 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-40356 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-40356 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* openSUSE Leap 15.4

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro for Rancher 5.3

* SUSE Linux Enterprise Micro for Rancher 5.4

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-40355.html

* https://www.suse.com/security/cve/CVE-2026-40356.html

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2449-1
Release Date: 2026-06-18T12:52:16Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE DoS vulnerability krb5

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here