SUSE-SU-2026:20048-1: low: Security update for libpcap

[SLE-SECURITY-UPDATES]

# Security update for libpcap

Announcement ID: SUSE-SU-2026:20048-1  
Release Date: 2026-01-08T16:29:55Z  
Rating: low  
References:

  * bsc#1255765

  
Cross-References:

  * CVE-2025-11961

  
CVSS scores:

  * CVE-2025-11961 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-11961 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
  * CVE-2025-11961 ( NVD ):  1.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libpcap fixes the following issues:

  * CVE-2025-11961: missing validation of provided MAC-48 address string in
    `pcap_ether_aton()` can lead to out-of-bounds read and write (bsc#1255765).

## 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 Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-553=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * libpcap1-debuginfo-1.10.4-4.1
    * libpcap-debugsource-1.10.4-4.1
    * libpcap1-1.10.4-4.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-11961.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1255765

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