# corosync security updates

Patch Radar has 62 security fixes for corosync, closing 6 CVEs. The newest security fix is ELSA-2026-67872 (0:3.1.10-1.el10_2.2), released September 29, 2026.

- Web page: https://patchblox.com/security/product/linux/corosync
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [ELSA-2026-67872](https://patchblox.com/security/data/fix/linux/elsa-2026-67872.md) | Sep 29, 2026 | ol 10 0:3.1.10-1.el10_2.2 | High | 1 | 0 |
| [ALAS2023-2026-3138](https://patchblox.com/security/data/fix/linux/alas2023-2026-3138.md) | Sep 28, 2026 | amzn 2023 3.1.9-3.amzn2023.0.3 | High | 1 | 0 |
| [RLSA-2026:69277](https://patchblox.com/security/data/fix/linux/rlsa-2026-69277.md) | Sep 23, 2026 | rocky 8 0:3.1.8-1.el8_10.2 | High | 1 | 0 |
| [ELSA-2026-69277](https://patchblox.com/security/data/fix/linux/elsa-2026-69277.md) | Sep 23, 2026 | ol 8 0:3.1.8-1.el8_10.2 | High | 1 | 0 |
| [RHSA-2026:69277](https://patchblox.com/security/data/fix/linux/rhsa-2026-69277.md) | Sep 22, 2026 | RHEL 8 0:3.1.8-1.el8_10.2 | High | 1 | 0 |
| [ELSA-2026-67873](https://patchblox.com/security/data/fix/linux/elsa-2026-67873.md) | Sep 22, 2026 | ol 9 0:3.1.10-1.el9_8.2 | High | 1 | 0 |
| [ALSA-2026:69277](https://patchblox.com/security/data/fix/linux/alsa-2026-69277.md) | Sep 21, 2026 | almalinux 8 3.1.8-1.el8_10.2 | High | 1 | 0 |
| [SUSE-SU-2026:23850-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23850-1.md) | Sep 20, 2026 | sles 16.0 3.1.9-160000.4.1 | High | 2 | 0 |
| [OPENSUSE-SU-2026:21887-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21887-1.md) | Sep 20, 2026 | opensuse-leap 16.0 3.1.9-160000.4.1 | High | 2 | 0 |
| [RHSA-2026:67873](https://patchblox.com/security/data/fix/linux/rhsa-2026-67873.md) | Sep 19, 2026 | RHEL 9 0:3.1.10-1.el9_8.2 | High | 1 | 0 |
| [RHSA-2026:67881](https://patchblox.com/security/data/fix/linux/rhsa-2026-67881.md) | Sep 17, 2026 | RHEL 10 3.1.9-1.el10_0.3 | High | 1 | 0 |
| [RLSA-2026:67872](https://patchblox.com/security/data/fix/linux/rlsa-2026-67872.md) | Sep 17, 2026 | rocky 10 0:3.1.10-1.el10_2.2 | High | 1 | 0 |
| [RLSA-2026:67873](https://patchblox.com/security/data/fix/linux/rlsa-2026-67873.md) | Sep 17, 2026 | rocky 9 0:3.1.10-1.el9_8.2 | High | 1 | 0 |
| [SUSE-SU-2026:4202-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4202-1.md) | Sep 16, 2026 | sles 15.6 2.4.6-150300.12.19.1 | High | 2 | 0 |
| [SUSE-SU-2026:4202-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4202-1.md) | Sep 16, 2026 | sles 15.7 2.4.6-150300.12.19.1 | High | 2 | 0 |
| [ALSA-2026:67872](https://patchblox.com/security/data/fix/linux/alsa-2026-67872.md) | Sep 16, 2026 | almalinux 10 3.1.10-1.el10_2.2 | High | 1 | 0 |
| [ALSA-2026:67873](https://patchblox.com/security/data/fix/linux/alsa-2026-67873.md) | Sep 16, 2026 | almalinux 9 3.1.10-1.el9_8.2 | High | 1 | 0 |
| [RLSA-2026:19043](https://patchblox.com/security/data/fix/linux/rlsa-2026-19043.md) | May 29, 2026 | rocky 10 0:3.1.10-1.el10_2.1 | High | 2 | 0 |
| [RLSA-2026:19200](https://patchblox.com/security/data/fix/linux/rlsa-2026-19200.md) | May 28, 2026 | rocky 9 0:3.1.10-1.el9_8.1 | High | 2 | 0 |
| [ALSA-2026:19043](https://patchblox.com/security/data/fix/linux/alsa-2026-19043.md) | May 19, 2026 | almalinux 10 3.1.10-1.el10_2.1 | High | 2 | 0 |
| [ALSA-2026:19200](https://patchblox.com/security/data/fix/linux/alsa-2026-19200.md) | May 19, 2026 | almalinux 9 3.1.10-1.el9_8.1 | High | 2 | 0 |
| [RHSA-2026:19200](https://patchblox.com/security/data/fix/linux/rhsa-2026-19200.md) | May 15, 2026 | RHEL 9 0:3.1.10-1.el9_8.1 | High | 2 | 0 |
| [RHSA-2026:13657](https://patchblox.com/security/data/fix/linux/rhsa-2026-13657.md) | May 15, 2026 | RHEL 8 0:3.1.8-1.el8_10.1 | High | 2 | 0 |
| [ELSA-2026-13673](https://patchblox.com/security/data/fix/linux/elsa-2026-13673.md) | May 11, 2026 | ol 9 0:3.1.9-2.el9_7.1 | High | 2 | 0 |
| [ELSA-2026-13657](https://patchblox.com/security/data/fix/linux/elsa-2026-13657.md) | May 8, 2026 | ol 8 0:3.1.8-1.el8_10.1 | High | 2 | 0 |
| [RLSA-2026:13657](https://patchblox.com/security/data/fix/linux/rlsa-2026-13657.md) | May 6, 2026 | rocky 8 0:3.1.8-1.el8_10.1 | High | 2 | 0 |
| [ALSA-2026:13657](https://patchblox.com/security/data/fix/linux/alsa-2026-13657.md) | May 5, 2026 | almalinux 8 3.1.8-1.el8_10.1 | High | 2 | 0 |
| [ELSA-2026-13644](https://patchblox.com/security/data/fix/linux/elsa-2026-13644.md) | May 5, 2026 | ol 10 0:3.1.9-2.el10_1.1 | High | 2 | 0 |
| [SUSE-SU-2026:1394-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1394-1.md) | Apr 16, 2026 | sles 15.6 2.4.6-150300.12.16.1 | High | 2 | 0 |
| [SUSE-SU-2026:1394-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1394-1.md) | Apr 16, 2026 | sles 15.7 2.4.6-150300.12.16.1 | High | 2 | 0 |
| [SUSE-SU-2026:1394-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1394-1.md) | Apr 16, 2026 | opensuse-leap 15.6 2.4.6-150300.12.16.1 | High | 2 | 0 |
| [corosync 3.1.9-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-corosync-3.1.9-2ubuntu1.1.md) | Apr 15, 2026 | Ubuntu 25.10 (questing) 3.1.9-2ubuntu1.1 | High | 2 | 0 |
| [corosync 3.1.7-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-corosync-3.1.7-1ubuntu3.2.md) | Apr 15, 2026 | Ubuntu 24.04.5 LTS (noble) 3.1.7-1ubuntu3.2 | High | 2 | 0 |
| [corosync 3.1.6-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-corosync-3.1.6-1ubuntu1.2.md) | Apr 15, 2026 | Ubuntu 22.04.1 LTS (jammy) 3.1.6-1ubuntu1.2 | High | 2 | 0 |
| [ALAS2023-2026-1560](https://patchblox.com/security/data/fix/linux/alas2023-2026-1560.md) | Apr 13, 2026 | amzn 2023 3.1.9-3.amzn2023.0.2 | High | 2 | 0 |
| [OPENSUSE-SU-2026:20505-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20505-1.md) | Apr 10, 2026 | opensuse-leap 16.0 3.1.9-160000.3.1 | High | 2 | 0 |
| [SUSE-SU-2026:21224-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21224-1.md) | Apr 10, 2026 | sles 16.0 3.1.9-160000.3.1 | High | 2 | 0 |
| [DEBIAN-CVE-2026-35092](https://patchblox.com/security/data/fix/linux/debian-cve-2026-35092.md) | Apr 1, 2026 | Debian 12.15 (bookworm) 3.1.7-1+deb12u2 | High | 1 | 0 |
| [DEBIAN-CVE-2026-35092](https://patchblox.com/security/data/fix/linux/debian-cve-2026-35092.md) | Apr 1, 2026 | Debian 13.5 (trixie) 3.1.9-2+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-35092](https://patchblox.com/security/data/fix/linux/debian-cve-2026-35092.md) | Apr 1, 2026 | Debian 14 3.1.10-2 | High | 1 | 0 |
| [DEBIAN-CVE-2026-35091](https://patchblox.com/security/data/fix/linux/debian-cve-2026-35091.md) | Apr 1, 2026 | Debian 12.15 (bookworm) 3.1.7-1+deb12u2 | High | 1 | 0 |
| [DEBIAN-CVE-2026-35091](https://patchblox.com/security/data/fix/linux/debian-cve-2026-35091.md) | Apr 1, 2026 | Debian 13.5 (trixie) 3.1.9-2+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-35091](https://patchblox.com/security/data/fix/linux/debian-cve-2026-35091.md) | Apr 1, 2026 | Debian 14 3.1.10-2 | High | 1 | 0 |
| [RHSA-2026:14205](https://patchblox.com/security/data/fix/linux/rhsa-2026-14205.md) | Apr 1, 2026 | RHEL 10 3.1.9-1.el10_0.2 | High | 2 | 0 |
| [corosync 3.1.8-3ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-corosync-3.1.8-3ubuntu2.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 3.1.8-3ubuntu2 | High | 1 | 0 |
| [corosync 3.1.8-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-corosync-3.1.8-2ubuntu1.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 3.1.8-2ubuntu1.1 | High | 1 | 0 |
| [RLSA-2025:7201](https://patchblox.com/security/data/fix/linux/rlsa-2025-7201.md) | Oct 4, 2025 | rocky 9 0:3.1.9-2.el9_6 | High | 1 | 0 |
| [RLSA-2025:7478](https://patchblox.com/security/data/fix/linux/rlsa-2025-7478.md) | Oct 3, 2025 | rocky 10 0:3.1.9-1.el10_0.1 | High | 1 | 0 |
| [DLA-4308-1](https://patchblox.com/security/data/fix/linux/dla-4308-1.md) | Sep 22, 2025 | Debian 11.6 (bullseye) 3.1.2-2+deb11u1 | High | 1 | 0 |
| [ELSA-2025-7478](https://patchblox.com/security/data/fix/linux/elsa-2025-7478.md) | Jul 2, 2025 | ol 10 0:3.1.9-1.el10_0.1 | High | 1 | 0 |
| [RHSA-2025:7201](https://patchblox.com/security/data/fix/linux/rhsa-2025-7201.md) | May 13, 2025 | RHEL 9 0:3.1.9-2.el9_6 | High | 1 | 0 |
| [SUSE-SU-2025:1084-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1084-1.md) | Apr 1, 2025 | sles 15.6 2.4.6-150300.12.13.1 | High | 1 | 0 |
| [SUSE-SU-2025:1084-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1084-1.md) | Apr 1, 2025 | opensuse-leap 15.6 2.4.6-150300.12.13.1 | High | 1 | 0 |
| [DEBIAN-CVE-2025-30472](https://patchblox.com/security/data/fix/linux/debian-cve-2025-30472.md) | Mar 22, 2025 | Debian 12.15 (bookworm) 3.1.7-1+deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2025-30472](https://patchblox.com/security/data/fix/linux/debian-cve-2025-30472.md) | Mar 22, 2025 | Debian 13.5 (trixie) 3.1.9-2 | High | 1 | 0 |
| [DEBIAN-CVE-2025-30472](https://patchblox.com/security/data/fix/linux/debian-cve-2025-30472.md) | Mar 22, 2025 | Debian 14 3.1.9-2 | High | 1 | 0 |
| [RHSA-2025:7478](https://patchblox.com/security/data/fix/linux/rhsa-2025-7478.md) | Mar 22, 2025 | RHEL 10 3.1.9-1.el10_0.1 | High | 1 | 0 |
| [corosync 3.0.3-2ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-corosync-3.0.3-2ubuntu2.2.md) | Mar 21, 2025 | Ubuntu 20.04 LTS (focal) 3.0.3-2ubuntu2.2 | High | 1 | 0 |
| [corosync 3.1.6-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-corosync-3.1.6-1ubuntu1.1.md) | Mar 21, 2025 | Ubuntu 22.04.1 LTS (jammy) 3.1.6-1ubuntu1.1 | High | 1 | 0 |
| [corosync 3.1.7-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-corosync-3.1.7-1ubuntu3.1.md) | Mar 21, 2025 | Ubuntu 24.04.5 LTS (noble) 3.1.7-1ubuntu3.1 | High | 1 | 0 |
| [corosync 3.1.8-3ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-corosync-3.1.8-3ubuntu2.md) | Mar 21, 2025 | Ubuntu 25.10 (questing) 3.1.8-3ubuntu2 | High | 1 | 0 |
| [corosync 2.4.3-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-corosync-2.4.3-0ubuntu1.1.md) | Apr 11, 2018 | Ubuntu 18.04.6 LTS (bionic) 2.4.3-0ubuntu1.1 | Routine | 1 | 0 |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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