Detections
Analytics

openSUSE 16: libknet-devel / libknet1 / libknet1-compress-bzip2-plugin / etc (openSUSE-SU-2026:21851-1)

medium Nessus Plugin ID 347916

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21851-1 advisory.

 - CVE-2026-15811: improper sanitization of sensitive memory locations following cryptographic configuration adjustments can lead to potential exposure of encryption keys (bsc#1271923).
 - CVE-2026-15812: improper verification of packet origins allows for access control list (ACL) bypass via ID spoofing (bsc#1271924).
 - CVE-2026-15813: improper validation during fragment reassembly can trigger memory corruption or out-of- bounds memory access (bsc#1271925).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1271923

https://bugzilla.suse.com/1271924

https://bugzilla.suse.com/1271925

https://www.suse.com/security/cve/CVE-2026-15811

https://www.suse.com/security/cve/CVE-2026-15812

https://www.suse.com/security/cve/CVE-2026-15813

Plugin Details

Severity: Medium

ID: 347916

File Name: openSUSE-2026-21851-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/18/2026

Updated: 9/18/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

Percentile: 96.29

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:C

CVSS Score Source: CVE-2026-15813

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:libknet-devel, p-cpe:/a:novell:opensuse:libknet1-compress-bzip2-plugin, p-cpe:/a:novell:opensuse:libknet1-compress-lz4-plugin, p-cpe:/a:novell:opensuse:libknet1-compress-lzma-plugin, p-cpe:/a:novell:opensuse:libknet1-compress-lzo2-plugin, p-cpe:/a:novell:opensuse:libknet1-compress-plugins-all, p-cpe:/a:novell:opensuse:libknet1-compress-zlib-plugin, p-cpe:/a:novell:opensuse:libknet1-compress-zstd-plugin, p-cpe:/a:novell:opensuse:libknet1-crypto-nss-plugin, p-cpe:/a:novell:opensuse:libknet1-crypto-openssl-plugin, p-cpe:/a:novell:opensuse:libknet1-crypto-plugins-all, p-cpe:/a:novell:opensuse:libknet1-plugins-all, p-cpe:/a:novell:opensuse:libknet1, p-cpe:/a:novell:opensuse:libnozzle-devel, p-cpe:/a:novell:opensuse:libnozzle1

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2026

Vulnerability Publication Date: 7/20/2026

Reference Information

CVE: CVE-2026-15811, CVE-2026-15812, CVE-2026-15813