Corosync through 3.1.9, if encryption is disabled or the attacker knows the encryption key, has a stack-based buffer overflow in orf_token_endian_convert in exec/totemsrp.c via a large UDP packet.
CVSS Details
- CVSS 3.1 Base Score: 9
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade corosynclibUpgrade corosync-vqsim | Jul 4, 2025 | Mar 22, 2025 |
| Amazon Linux Ami 2 | — | Upgrade corosync-debuginfoUpgrade corosync-qnetdUpgrade corosync-qdeviceUpgrade corosynclibUpgrade corosyncUpgrade spauseddUpgrade corosynclib-devel | Jul 22, 2026 | Jul 22, 2026 |
| Debian | — | Upgrade corosync | May 15, 2025 | Mar 22, 2025 |
| Oracle_linux | — | Upgrade corosync-vqsimUpgrade corosyncUpgrade corosynclib | May 26, 2025 | Mar 22, 2025 |
| Redhat_linux | — | Upgrade corosyncUpgrade corosync-vqsim-debuginfoUpgrade corosync-vqsimUpgrade corosync-debugsourceUpgrade corosynclib-develNo solution existsUpgrade corosynclib-debuginfoUpgrade corosync-debuginfoUpgrade corosynclib | May 15, 2025 | Mar 22, 2025 |
| Rocky_linux | — | Upgrade corosync-vqsimUpgrade corosynclib-debuginfoUpgrade corosyncUpgrade corosynclibUpgrade corosync-debuginfoUpgrade corosync-debugsourceUpgrade corosync-vqsim-debuginfoUpgrade corosynclib-devel | Oct 6, 2025 | Oct 4, 2025 |
| Suse | — | Upgrade libsam4Upgrade libcmap4-32bitUpgrade libcorosync_common4-32bitUpgrade libcpg4Upgrade corosyncUpgrade libtotem_pg5-32bitUpgrade libsam4-32bitUpgrade corosync-testagentsUpgrade libquorum5-32bitUpgrade libcfg6Upgrade libcorosync-develUpgrade corosync-qnetdUpgrade libvotequorum8-32bitUpgrade libtotem_pg5Upgrade libcmap4Upgrade libcfg6-32bitUpgrade libquorum5Upgrade libcpg4-32bitUpgrade corosync-qdeviceUpgrade libvotequorum8Upgrade libcorosync_common4 | Dec 5, 2025 | Jun 1, 2025 |
| Ubuntu | — | Upgrade corosync | May 6, 2025 | Mar 22, 2025 |
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