openSUSE-SU-2026:21525-1: important: Security update for rrdtool

openSUSE security update: security update for rrdtool
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Announcement ID: openSUSE-SU-2026:21525-1
Rating: important
References:

  * bsc#1267243



Cross-References:

  * CVE-2026-43958



CVSS scores:

  * CVE-2026-43958 ( SUSE ): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-43958 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/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 rrdtool fixes the following issue:

- CVE-2026-43958: stack buffer overflow in `rrdcached` `handle_request_create()` can lead to local privilege escalation
  via unbounded DS/RRA arguments (bsc#1267243).


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-16.0-1428=1

Package List:

- openSUSE Leap 16.0:

  librrd8-1.9.0-160000.4.1
  lua-rrdtool-1.9.0-160000.4.1
  perl-rrdtool-1.9.0-160000.4.1
  python3-rrdtool-1.9.0-160000.4.1
  rrdtool-1.9.0-160000.4.1
  rrdtool-cached-1.9.0-160000.4.1
  rrdtool-devel-1.9.0-160000.4.1
  rrdtool-doc-1.9.0-160000.4.1
  ruby-rrdtool-1.9.0-160000.4.1
  tcl-rrdtool-1.9.0-160000.4.1

References:

  * https://www.suse.com/security/cve/CVE-2026-43958.html