SUSE SLES15: corosync / corosync-qdevice / corosync-qnetd / corosync-testagents / etc (SUSE-SU-2026:4202-1)

high Nessus Plugin ID 346791

Synopsis

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

Description

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4202-1 advisory.

- CVE-2026-81665: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly (bsc#1278738).
- CVE-2026-81666: integer overflow in check_memb_commit_token_sanity may bypass message length validation on 32-bit systems (bsc#1278739).

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.

Plugin Details

Severity: High

ID: 346791

File Name: suse_SU-2026-4202-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/17/2026

Updated: 9/17/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.21

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-81665

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:corosync-qdevice, p-cpe:/a:novell:suse_linux:corosync-qnetd, p-cpe:/a:novell:suse_linux:corosync-testagents, p-cpe:/a:novell:suse_linux:corosync, p-cpe:/a:novell:suse_linux:libcfg6, p-cpe:/a:novell:suse_linux:libcmap4, p-cpe:/a:novell:suse_linux:libcorosync-devel, p-cpe:/a:novell:suse_linux:libcorosync_common4, p-cpe:/a:novell:suse_linux:libcpg4, p-cpe:/a:novell:suse_linux:libquorum5, p-cpe:/a:novell:suse_linux:libsam4, p-cpe:/a:novell:suse_linux:libtotem_pg5, p-cpe:/a:novell:suse_linux:libvotequorum8

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: 9/16/2026

Vulnerability Publication Date: 9/4/2026

Reference Information

CVE: CVE-2026-81665, CVE-2026-81666

SuSE: SUSE-SU-2026:4202-1

Detections

Analytics