Security update for libpcap

Announcement ID: SUSE-SU-2026:20064-1
Release Date: 2026-01-08T16:17:50Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2023-7256 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-7256 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • CVE-2023-7256 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • CVE-2024-8006 ( SUSE ): 4.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H
  • CVE-2024-8006 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • CVE-2024-8006 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • 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 6.1

An update that solves three vulnerabilities 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).
  • CVE-2024-8006: missing return value check in pcap_findalldevs_ex() can lead to NULL pointer dereference (bsc#1230034).
  • CVE-2023-7256: unclear value returned by sock_initaddress() can lead to a double-free (bsc#1230020).

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 6.1
    zypper in -t patch SUSE-SLE-Micro-6.1-370=1

Package List:

  • SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    • libpcap1-debuginfo-1.10.4-slfo.1.1_2.1
    • libpcap1-1.10.4-slfo.1.1_2.1
    • libpcap-debugsource-1.10.4-slfo.1.1_2.1

References: