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openSUSE krb5 Moderate Security Flaws Fixed in Advisory 2026-2449-1

opensuse
Calendar Grey June 18, 2026
Dist Opensuse Esm H88
Update for openSUSE addresses two moderate issues in krb5, imperative for maintaining system security and integrity.
An update that solves two vulnerabilities can now be installed.

Description

This update for krb5 fixes the following issues

Topics%20covered

Topics Covered

security advisory moderate DoS patch krb5 OpenSUSE

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:

* 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

* krb5-devel-1.19.2-150400.3.21.1

* krb5-plugin-kdb-ldap-1.19.2-150400.3.21.1

* krb5-client-debuginfo-1.19.2-150400.3.21.1

* krb5-plugin-preauth-spake-1.19.2-150400.3.21.1

* krb5-mini-debugsource-1.19.2-150400.3.21.1

* krb5-1.19.2-150400.3.21.1

* krb5-server-1.19.2-150400.3.21.1

* krb5-plugin-preauth-pkinit-debuginfo-1.19.2-150400.3.21.1

* krb5-plugin-preauth-pkinit-1.19.2-150400.3.21.1

* krb5-plugin-preauth-otp-debuginfo-1.19.2-150400.3.21.1

* krb5-mini-debuginfo-1.19.2-150400.3.21.1

* krb5-mini-1.19.2-150400.3.21.1

* krb5-client-1.19.2-150400.3.21.1

* krb5-debuginfo-1.19.2-150400.3.21.1

* krb5-debugsource-1.19.2-150400.3.21.1

* krb5-plugin-kdb-ldap-debuginfo-1.19.2-150400.3.21.1

* krb5-server-debuginfo-1.19.2-150400.3.21.1

* krb5-plugin-preauth-otp-1.19.2-150400.3.21.1

* krb5-plugin-preauth-spake-debuginfo-1.19.2-150400.3.21.1

* openSUSE Leap 15.4 (aarch64_ilp32)

* krb5-64bit-debuginfo-1.19.2-150400.3.21.1

*...

Read the Full Advisory

References

* bsc#1263366

* bsc#1263367

## References:

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

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

* https://bugzilla.suse.com/show_bug.cgi?id=1263366

* https://bugzilla.suse.com/show_bug.cgi?id=1263367

Severity
moderate
Lowest
Low
Medium
High
Critical

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

Topics%20covered

Topics Covered

security advisory moderate DoS patch krb5 OpenSUSE

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