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SUSE Security Update for libpcap Addresses CVE-2025-11961 Vulnerability

suse
Calendar Grey January 8, 2026
Dist Suse Esm H88
Update for libpcap fixes security issue with MAC-48 address validation and installation instructions provided.
An update that solves one vulnerability can now be installed.

Summary

## 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: * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-63=1 * SUSE Package Hub 15 15-SP7 zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-63=1 ## Package List: * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64) * libpcap-debugsource-1.10.5-150700.3.7.1 * libpcap1-debuginfo-1.10.5-150700.3.7.1

Topics%20covered

Topics Covered

security advisory SuSE low libpcap out-of-bounds read cve-2025-11961

References

* bsc#1255765

Cross-

* 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:

* Basesystem Module 15-SP7

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

* SUSE Package Hub 15 15-SP7

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-11961.html

* https://bugzilla.suse.com/show_bug.cgi?id=1255765

Severity
low
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2026:0063-1
Release Date: 2026-01-08T09:36:26Z
Rating: low

Topics%20covered

Topics Covered

security advisory SuSE low libpcap out-of-bounds read cve-2025-11961

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