Security update for libpcap

Announcement ID: SUSE-SU-2026:0036-1
Release Date: 2026-01-06T10:22:41Z
Rating: low
References:
Cross-References:
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:
  • openSUSE Leap 15.6

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:

  • openSUSE Leap 15.6
    zypper in -t patch SUSE-2026-36=1 openSUSE-SLE-15.6-2026-36=1

Package List:

  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    • libpcap1-debuginfo-1.10.4-150600.3.9.1
    • libpcap1-1.10.4-150600.3.9.1
    • libpcap-debugsource-1.10.4-150600.3.9.1
    • libpcap-devel-static-1.10.4-150600.3.9.1
    • libpcap-devel-1.10.4-150600.3.9.1
  • openSUSE Leap 15.6 (x86_64)
    • libpcap1-32bit-debuginfo-1.10.4-150600.3.9.1
    • libpcap1-32bit-1.10.4-150600.3.9.1
    • libpcap-devel-32bit-1.10.4-150600.3.9.1
  • openSUSE Leap 15.6 (aarch64_ilp32)
    • libpcap1-64bit-debuginfo-1.10.4-150600.3.9.1
    • libpcap-devel-64bit-1.10.4-150600.3.9.1
    • libpcap1-64bit-1.10.4-150600.3.9.1

References: