SUSE-SU-2026:4202-1

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Source
https://www.suse.com/support/update/announcement/2026/suse-su-20264202-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4202-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2026:4202-1
Upstream
  • CVE-2026-81665
  • CVE-2026-81666
Related
  • CVE-2026-81665
  • CVE-2026-81666
Published
2026-09-16T08:18:19Z
Modified
2026-09-16T21:45:03Z
Summary
Security update for corosync
Details

This update for corosync fixes the following issues:

  • 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).
References

Affected packages

SUSE:Linux Enterprise High Availability Extension 15 SP4
corosync

Package

Name
corosync
Purl
pkg:rpm/suse/corosync&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.6-150300.12.19.1

Ecosystem specific 

{
    "binaries": [
        {
            "corosync": "2.4.6-150300.12.19.1",
            "corosync-qdevice": "2.4.6-150300.12.19.1",
            "corosync-qnetd": "2.4.6-150300.12.19.1",
            "corosync-testagents": "2.4.6-150300.12.19.1",
            "libcfg6": "2.4.6-150300.12.19.1",
            "libcmap4": "2.4.6-150300.12.19.1",
            "libcorosync-devel": "2.4.6-150300.12.19.1",
            "libcorosync_common4": "2.4.6-150300.12.19.1",
            "libcpg4": "2.4.6-150300.12.19.1",
            "libquorum5": "2.4.6-150300.12.19.1",
            "libsam4": "2.4.6-150300.12.19.1",
            "libtotem_pg5": "2.4.6-150300.12.19.1",
            "libvotequorum8": "2.4.6-150300.12.19.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4202-1.json"
SUSE:Linux Enterprise High Availability Extension 15 SP5
corosync

Package

Name
corosync
Purl
pkg:rpm/suse/corosync&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.6-150300.12.19.1

Ecosystem specific 

{
    "binaries": [
        {
            "corosync": "2.4.6-150300.12.19.1",
            "corosync-qdevice": "2.4.6-150300.12.19.1",
            "corosync-qnetd": "2.4.6-150300.12.19.1",
            "corosync-testagents": "2.4.6-150300.12.19.1",
            "libcfg6": "2.4.6-150300.12.19.1",
            "libcmap4": "2.4.6-150300.12.19.1",
            "libcorosync-devel": "2.4.6-150300.12.19.1",
            "libcorosync_common4": "2.4.6-150300.12.19.1",
            "libcpg4": "2.4.6-150300.12.19.1",
            "libquorum5": "2.4.6-150300.12.19.1",
            "libsam4": "2.4.6-150300.12.19.1",
            "libtotem_pg5": "2.4.6-150300.12.19.1",
            "libvotequorum8": "2.4.6-150300.12.19.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4202-1.json"
SUSE:Linux Enterprise High Availability Extension 15 SP6
corosync

Package

Name
corosync
Purl
pkg:rpm/suse/corosync&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.6-150300.12.19.1

Ecosystem specific 

{
    "binaries": [
        {
            "corosync": "2.4.6-150300.12.19.1",
            "corosync-qdevice": "2.4.6-150300.12.19.1",
            "corosync-qnetd": "2.4.6-150300.12.19.1",
            "corosync-testagents": "2.4.6-150300.12.19.1",
            "libcfg6": "2.4.6-150300.12.19.1",
            "libcmap4": "2.4.6-150300.12.19.1",
            "libcorosync-devel": "2.4.6-150300.12.19.1",
            "libcorosync_common4": "2.4.6-150300.12.19.1",
            "libcpg4": "2.4.6-150300.12.19.1",
            "libquorum5": "2.4.6-150300.12.19.1",
            "libsam4": "2.4.6-150300.12.19.1",
            "libtotem_pg5": "2.4.6-150300.12.19.1",
            "libvotequorum8": "2.4.6-150300.12.19.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4202-1.json"
SUSE:Linux Enterprise High Availability Extension 15 SP7
corosync

Package

Name
corosync
Purl
pkg:rpm/suse/corosync&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.6-150300.12.19.1

Ecosystem specific 

{
    "binaries": [
        {
            "corosync": "2.4.6-150300.12.19.1",
            "corosync-qdevice": "2.4.6-150300.12.19.1",
            "corosync-qnetd": "2.4.6-150300.12.19.1",
            "corosync-testagents": "2.4.6-150300.12.19.1",
            "libcfg6": "2.4.6-150300.12.19.1",
            "libcmap4": "2.4.6-150300.12.19.1",
            "libcorosync-devel": "2.4.6-150300.12.19.1",
            "libcorosync_common4": "2.4.6-150300.12.19.1",
            "libcpg4": "2.4.6-150300.12.19.1",
            "libquorum5": "2.4.6-150300.12.19.1",
            "libsam4": "2.4.6-150300.12.19.1",
            "libtotem_pg5": "2.4.6-150300.12.19.1",
            "libvotequorum8": "2.4.6-150300.12.19.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4202-1.json"