Linux · SUSE Linux Enterprise · Security advisory · September 16, 2026
SUSE-SU-2026:4202-1: corosync security update
SUSE-SU-2026:4202-1, released September 16, 2026, fixes 2 CVEs in corosync (version 2.4.6-150300.12.19.1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
2
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0042
36th percentile
Priority of the 2 CVEs
Patch now 0
Urgent 0
High 1
Routine 1
Fixed package versions
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-81665 | corosync: A heap-based buffer overflow was found in Corosync's Totem Process Group (totempg) message reassembly | 7.5 | 0.0042 | None reported |
| Routine | CVE-2026-81666 | corosync: This update for corosync fixes the following issues: - CVE-2026-81665: heap-based buffer overflow in totempg assembl... | n/a | 0.0025 | None reported |
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