SUSE-SU-2026:20940-1: moderate: Security update for net-tools

[SLE-SECURITY-UPDATES]

# Security update for net-tools

Announcement ID: SUSE-SU-2026:20940-1  
Release Date: 2026-03-26T15:12:43Z  
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 ):  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
  * 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 ( NVD ):  6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server - BCI 16.0

  
  
An update that solves one vulnerability and has five 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 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 - BCI 16.0  
    zypper in -t patch SUSE-SLES-16.0-454=1

## Package List:

  * SUSE Linux Enterprise Server - BCI 16.0 (aarch64 ppc64le s390x x86_64)
    * net-tools-debugsource-2.10-160000.3.1
    * net-tools-2.10-160000.3.1
    * net-tools-debuginfo-2.10-160000.3.1
  * SUSE Linux Enterprise Server - BCI 16.0 (noarch)
    * net-tools-lang-2.10-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-46836.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1243581
  * https://bugzilla.suse.com/show_bug.cgi?id=1248410
  * https://bugzilla.suse.com/show_bug.cgi?id=1248687
  * https://bugzilla.suse.com/show_bug.cgi?id=142461
  * https://bugzilla.suse.com/show_bug.cgi?id=430864
  * https://bugzilla.suse.com/show_bug.cgi?id=544339

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