openSUSE-SU-2026:21387-1: moderate: Security update for libgcrypt

openSUSE security update: security update for libgcrypt
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Announcement ID: openSUSE-SU-2026:21387-1
Rating: moderate
References:

  * bsc#1262684



Cross-References:

  * CVE-2026-41989



CVSS scores:

  * CVE-2026-41989 ( SUSE ): 6.3 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H
  * CVE-2026-41989 ( SUSE ): 5.8 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

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An update that solves one vulnerability and has one bug fix can now be installed.

Description:

This update for libgcrypt fixes the following issue

- CVE-2026-41989: crafted ECDH ciphertext can lead denial of service (bsc#1262684).


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-16.0-1294=1

Package List:

- openSUSE Leap 16.0:

  libgcrypt-devel-1.12.1-160000.3.1
  libgcrypt-devel-x86-64-v3-1.12.1-160000.3.1
  libgcrypt20-1.12.1-160000.3.1
  libgcrypt20-x86-64-v3-1.12.1-160000.3.1

References:

  * https://www.suse.com/security/cve/CVE-2026-41989.html