openSUSE Leap 15.4 libpcap Vulnerability MAC-48 Bounds Exceeded Fix
opensuse
February 18, 2026
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).
Topics Covered
Patch
## 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 15.4
zypper in -t patch SUSE-2026-575=1
* SUSE Linux Enterprise Micro for Rancher 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2026-575=1
* SUSE Linux Enterprise Micro 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2026-575=1
* SUSE Linux Enterprise Micro for Rancher 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2026-575=1
* SUSE Linux Enterprise Micro 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2026-575=1
* SUSE Linux Enterprise Micro 5.5
zypper in -t patch SUSE-SLE-Micro-5.5-2026-575=1
Package List
* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
* libpcap1-debuginfo-1.10.1-150400.3.9.1
* libpcap1-1.10.1-150400.3.9.1
* libpcap-devel-static-1.10.1-150400.3.9.1
* libpcap-devel-1.10.1-150400.3.9.1
* libpcap-debugsource-1.10.1-150400.3.9.1
* openSUSE Leap 15.4 (x86_64)
* libpcap-devel-32bit-1.10.1-150400.3.9.1
* libpcap1-32bit-debuginfo-1.10.1-150400.3.9.1
* libpcap1-32bit-1.10.1-150400.3.9.1
* openSUSE Leap 15.4 (aarch64_ilp32)
* libpcap-devel-64bit-1.10.1-150400.3.9.1
* libpcap1-64bit-debuginfo-1.10.1-150400.3.9.1
* libpcap1-64bit-1.10.1-150400.3.9.1
* SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
* libpcap1-debuginfo-1.10.1-150400.3.9.1
* libpcap1-1.10.1-150400.3.9.1
* libpcap-debugsource-1.10.1-150400.3.9.1
* SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
* libpcap1-debuginfo-1.10.1-150400.3.9.1
* libpcap1-1.10.1-150400.3.9.1
* libpcap-debugsource-1.10.1-150400.3.9.1
* SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
*...
Read the Full AdvisoryReferences
* bsc#1255765
## References:
* https://www.suse.com/security/cve/CVE-2025-11961.html
* https://bugzilla.suse.com/show_bug.cgi?id=1255765
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Severity
low
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:0575-1
Release Date: 2026-02-18T09:10:48Z
Affected Products:
* openSUSE Leap 15.4
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Micro for Rancher 5.3
* SUSE Linux Enterprise Micro for Rancher 5.4
Topics Covered
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