SUSE-SU-2026:4278-1: moderate: Security update for libtpms

[SLE-SECURITY-UPDATES]

# Security update for libtpms

Announcement ID: SUSE-SU-2026:4278-1  
Release Date: 2026-09-22T08:31:52Z  
Rating: moderate  
References:

  * bsc#1244528
  * bsc#1279628

  
Cross-References:

  * CVE-2025-49133
  * CVE-2026-85769

  
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
  * CVE-2026-85769 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-85769 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-85769 ( NVD ):  6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.3
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * 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.

## Description:

This update for libtpms fixes the following issues:

  * CVE-2025-49133: inconsistent parameter handling can cause out-of-bounds
    reads (bsc#1244528).
  * CVE-2026-85769: heap out-of-bounds read in TPM2 state unmarshalling via
    unchecked block_skip_read() blocksize (bsc#1279628).

## 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 15.3  
    zypper in -t patch SUSE-2026-4278

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-4278

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-4278

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-4278

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-4278

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-4278

## Package List:

  * openSUSE Leap 15.3 (aarch64 i586 ppc64le s390x x86_64)
    * libtpms0-0.8.2-150300.3.12.1
    * libtpms-devel-0.8.2-150300.3.12.1
    * libtpms-debugsource-0.8.2-150300.3.12.1
    * libtpms0-debuginfo-0.8.2-150300.3.12.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * libtpms0-0.8.2-150300.3.12.1
    * libtpms-debugsource-0.8.2-150300.3.12.1
    * libtpms0-debuginfo-0.8.2-150300.3.12.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * libtpms0-0.8.2-150300.3.12.1
    * libtpms-debugsource-0.8.2-150300.3.12.1
    * libtpms0-debuginfo-0.8.2-150300.3.12.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * libtpms0-0.8.2-150300.3.12.1
    * libtpms-debugsource-0.8.2-150300.3.12.1
    * libtpms0-debuginfo-0.8.2-150300.3.12.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * libtpms0-0.8.2-150300.3.12.1
    * libtpms-debugsource-0.8.2-150300.3.12.1
    * libtpms0-debuginfo-0.8.2-150300.3.12.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * libtpms0-0.8.2-150300.3.12.1
    * libtpms-debugsource-0.8.2-150300.3.12.1
    * libtpms0-debuginfo-0.8.2-150300.3.12.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-49133.html
  * https://www.suse.com/security/cve/CVE-2026-85769.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1244528
  * https://bugzilla.suse.com/show_bug.cgi?id=1279628

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-security-updates/attachments/20260922/bab0781b/attachment.htm>