SUSE alert openSUSE-SU-2026:20605-1 (openexr)

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openSUSE-SU-2026:20605-1: important: Security update for openexr
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Thu, 23 Apr 2026 11:14:11 +0200
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<20260423091411.5B87DFB96@maintenance.suse.de>
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Article
openSUSE security update: security update for openexr
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20605-1
Rating: important
References:

  * bsc#1261621
  * bsc#1261622
  * bsc#1261624
  * bsc#1261634



Cross-References:

  * CVE-2026-34379
  * CVE-2026-34380
  * CVE-2026-34588
  * CVE-2026-34589



CVSS scores:

  * CVE-2026-34379 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
  * CVE-2026-34379 ( SUSE ): 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-34380 ( SUSE ): 5.8 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H
  * CVE-2026-34380 ( SUSE ): 5.7 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-34588 ( SUSE ): 7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-34588 ( SUSE ): 7.1 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-34589 ( SUSE ): 7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-34589 ( SUSE ): 7.1 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 4 vulnerabilities and has 4 bug fixes can now be installed.

Description:

This update for openexr fixes the following issues:

- CVE-2026-34379: misaligned memory write during file decoding can cause a denial of service
(bsc#1261621).
- CVE-2026-34380: lack of proper check can lead to integer overflow in image decoding
(bsc#1261622).
- CVE-2026-34588: crafted EXR file can lead to out of bound read and write (bsc#1261624).
- CVE-2026-34589: crafted scanline DWAA file can lead to arbitrary code execution or denial of
service (bsc#1261634).


Patch instructions:

   To install this openSUSE security 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 16.0

   zypper in -t patch openSUSE-Leap-16.0-617=1

Package List:

- openSUSE Leap 16.0:

  libIex-3_2-31-3.2.2-160000.6.1
  libIex-3_2-31-x86-64-v3-3.2.2-160000.6.1
  libIlmThread-3_2-31-3.2.2-160000.6.1
  libIlmThread-3_2-31-x86-64-v3-3.2.2-160000.6.1
  libOpenEXR-3_2-31-3.2.2-160000.6.1
  libOpenEXR-3_2-31-x86-64-v3-3.2.2-160000.6.1
  libOpenEXRCore-3_2-31-3.2.2-160000.6.1
  libOpenEXRCore-3_2-31-x86-64-v3-3.2.2-160000.6.1
  libOpenEXRUtil-3_2-31-3.2.2-160000.6.1
  libOpenEXRUtil-3_2-31-x86-64-v3-3.2.2-160000.6.1
  openexr-3.2.2-160000.6.1
  openexr-devel-3.2.2-160000.6.1
  openexr-doc-3.2.2-160000.6.1

References:

  * https://www.suse.com/security/cve/CVE-2026-34379.html
  * https://www.suse.com/security/cve/CVE-2026-34380.html
  * https://www.suse.com/security/cve/CVE-2026-34588.html
  * https://www.suse.com/security/cve/CVE-2026-34589.html