SUSE-SU-2026:21064-1: moderate: Security update for libtpms

[SLE-UPDATES]

# Security update for libtpms

Announcement ID: SUSE-SU-2026:21064-1  
Release Date: 2026-04-08T14:16:30Z  
Rating: moderate  
References:

  * bsc#1244528

  
Cross-References:

  * CVE-2025-49133

  
CVSS scores:

  * CVE-2025-49133 ( SUSE ):  5.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H
  * CVE-2025-49133 ( NVD ):  5.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H
  * CVE-2025-49133 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libtpms fixes the following issues:

  * CVE-2025-49133: out-of-bounds (OOB) access due to HMAC signing issue leads
    to abort and vTPM DoS (bsc#1244528).

## 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 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-656=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * libtpms-debugsource-0.9.6-2.1
    * libtpms0-debuginfo-0.9.6-2.1
    * libtpms0-0.9.6-2.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-49133.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1244528

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