SUSE-SU-2026:3027-1: important: Security update for tiff

[SLE-UPDATES]

# Security update for tiff

Announcement ID: SUSE-SU-2026:3027-1  
Release Date: 2026-07-15T09:49:58Z  
Rating: important  
References:

  * bsc#1268434
  * bsc#1269779

  
Cross-References:

  * CVE-2026-12912
  * CVE-2026-36849

  
CVSS scores:

  * CVE-2026-12912 ( SUSE ):  7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-12912 ( NVD ):  7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-12912 ( NVD ):  7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-36849 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for tiff fixes the following issues

  * CVE-2026-12912: heap-based buffer overflow when processing crafted PixarLog-
    compressed TIFF image (bsc#1269779).
  * CVE-2026-36849: denial of service when processing a a crafted TIFF file
    containing a large SamplesPerPixel tag value (bsc#1268434).

## 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 Enterprise Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-3027=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3027=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * tiff-debuginfo-4.0.9-44.115.1
    * libtiff-devel-4.0.9-44.115.1
    * tiff-debugsource-4.0.9-44.115.1
    * libtiff5-debuginfo-4.0.9-44.115.1
    * libtiff5-4.0.9-44.115.1
    * tiff-4.0.9-44.115.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libtiff5-32bit-4.0.9-44.115.1
    * libtiff5-debuginfo-32bit-4.0.9-44.115.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * tiff-debuginfo-4.0.9-44.115.1
    * libtiff-devel-4.0.9-44.115.1
    * libtiff5-debuginfo-32bit-4.0.9-44.115.1
    * libtiff5-32bit-4.0.9-44.115.1
    * tiff-debugsource-4.0.9-44.115.1
    * libtiff5-debuginfo-4.0.9-44.115.1
    * libtiff5-4.0.9-44.115.1
    * tiff-4.0.9-44.115.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-12912.html
  * https://www.suse.com/security/cve/CVE-2026-36849.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1268434
  * https://bugzilla.suse.com/show_bug.cgi?id=1269779

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