corosync: This update for corosync fixes the following issues: - CVE-2026-81665: heap-based buffer overflow in totempg assembl...
CVE-2026-81666 is fixed in corosync on 1 platform, first by SUSE-SU-2026:4202-1, released September 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| corosync · opensuse-leap 16.0 | 3.1.9-160000.4.1 | OPENSUSE-SU-2026:21887-1 | Sep 20, 2026 |
| corosync · sles 15.6 | 2.4.6-150300.12.19.1 | SUSE-SU-2026:4202-1 | Sep 16, 2026 |
| corosync · sles 15.7 | 2.4.6-150300.12.19.1 | SUSE-SU-2026:4202-1 | Sep 16, 2026 |
| corosync · sles 16.0 | 3.1.9-160000.4.1 | SUSE-SU-2026:23850-1 | Sep 20, 2026 |
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