SUSE alert openSUSE-SU-2026:20437-1 (net-tools)

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openSUSE-SU-2026:20437-1: moderate: Security update for net-tools
Date:
             
 
Thu, 02 Apr 2026 14:50:21 +0200
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<20260402125021.D92C2FD12@maintenance.suse.de>
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Article
openSUSE security update: security update for net-tools
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20437-1
Rating: moderate
References:

  * bsc#1243581
  * bsc#1248410
  * bsc#1248687
  * bsc#142461
  * bsc#430864
  * bsc#544339



Cross-References:

  * CVE-2025-46836



CVSS scores:

  * CVE-2025-46836 ( SUSE ): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
  * CVE-2025-46836 ( SUSE ): 5.8 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

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

An update that solves one vulnerability and has 6 bug fixes can now be installed.

Description:

This update for net-tools fixes the following issues:

- Fix stack buffer overflow in parse_hex (bsc#1248687, GHSA-h667-qrp8-gj58).
- Fix stack-based buffer overflow in proc_gen_fmt (bsc#1248687, GHSA-w7jq-cmw2-cq59).
- Avoid unsafe memcpy in ifconfig (bsc#1248687).
- Prevent overflow in ax25 and netrom (bsc#1248687)
- Keep possibility to enter long interface names, even if they are
  not accepted by the kernel, because it was always possible up to
  CVE-2025-46836 fix. But issue a warning about an interface name
  concatenation (bsc#1248410).


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-16.0-454=1

Package List:

- openSUSE Leap 16.0:

  net-tools-2.10-160000.3.1
  net-tools-deprecated-2.10-160000.3.1
  net-tools-lang-2.10-160000.3.1

References:

  * https://www.suse.com/security/cve/CVE-2025-46836.html