UnratedFix available
Security update for corosync
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).
Announced Group revision 1
Original source ↗SUSE-SU-2026:23850-1
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:SUSE-SU-2026:23850-1
corosync
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 3.1.9-160000.4.1
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.9-160000.4.1"
}
]
}
],
"package": {
"name": "corosync",
"purl": "pkg:rpm/suse/corosync&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0",
"ecosystem": "SUSE:Linux Enterprise High Availability Extension 16.0"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:23850-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"corosync": "3.1.9-160000.4.1",
"corosync-libs": "3.1.9-160000.4.1",
"corosync-devel": "3.1.9-160000.4.1"
}
]
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #19999 · Revision 1
- Added to Heist Feed
- Publisher date