openSUSE 16 Security Update : corosync (openSUSE-SU-2026:21887-1)

high Nessus Plugin ID 350152

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-2026:21887-1 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 corosync, corosync-devel and / or corosync-libs packages.

Plugin Details

Severity: High

ID: 350152

File Name: openSUSE-2026-21887-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/25/2026

Updated: 9/25/2026

Supported Sensors: Nessus Agent, Continuous Assessment, 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:opensuse:16.0, p-cpe:/a:novell:opensuse:corosync-devel, p-cpe:/a:novell:opensuse:corosync-libs, p-cpe:/a:novell:opensuse:corosync

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: 9/20/2026

Vulnerability Publication Date: 9/4/2026

Reference Information

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

Detections

Analytics