# MozillaThunderbird security updates

Patch Radar has 81 security fixes for MozillaThunderbird, closing 714 CVEs, 1 of which is being exploited. The newest security fix is SUSE-SU-2026:4736-1 (153.5.0-150400.13.9.1), released November 7, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [SUSE-SU-2026:4736-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4736-1.md) | Nov 7, 2026 | sles 15.7 153.5.0-150400.13.9.1 | Urgent | 86 | 0 |
| [SUSE-SU-2026:4627-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4627-1.md) | Nov 7, 2026 | sles 15.7 153.4.0-150400.13.6.1 | Urgent | 129 | 0 |
| [SUSE-SU-2026:4268-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4268-1.md) | Sep 18, 2026 | sles 15.7 153.2.0-150400.13.3.1 | Urgent | 143 | 0 |
| [SUSE-SU-2026:3546-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3546-1.md) | Aug 10, 2026 | sles 15.7 140.13.0-150200.8.280.1 | Urgent | 3 | 0 |
| [SUSE-SU-2026:2852-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2852-1.md) | Jul 10, 2026 | sles 15.7 140.12.0-150200.8.277.1 | Urgent | 29 | 0 |
| [OPENSUSE-SU-2026:21168-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21168-1.md) | Jun 29, 2026 | opensuse-leap 16.0 140.12.0-bp160.1.1 | Urgent | 56 | 0 |
| [SUSE-SU-2026:1379-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1379-1.md) | Apr 16, 2026 | sles 15.7 140.9.1-150200.8.266.1 | High | 3 | 0 |
| [SUSE-SU-2026:1163-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1163-1.md) | Apr 1, 2026 | opensuse-leap 15.6 140.9.0-150200.8.263.1 | High | 40 | 0 |
| [OPENSUSE-SU-2026:20391-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20391-1.md) | Mar 18, 2026 | opensuse-leap 16.0 140.8.1-bp160.1.1 | High | 52 | 0 |
| [SUSE-SU-2026:0880-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0880-1.md) | Mar 12, 2026 | sles 15.7 140.8.0-150200.8.260.1 | High | 37 | 0 |
| [SUSE-SU-2026:0880-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0880-1.md) | Mar 12, 2026 | opensuse-leap 15.6 140.8.0-150200.8.260.1 | High | 37 | 0 |
| [SUSE-SU-2026:0692-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0692-1.md) | Feb 27, 2026 | sles 15.7 140.7.2-150200.8.257.1 | High | 1 | 0 |
| [SUSE-SU-2026:0692-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0692-1.md) | Feb 27, 2026 | opensuse-leap 15.6 140.7.2-150200.8.257.1 | High | 1 | 0 |
| [SUSE-SU-2026:0388-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0388-1.md) | Feb 5, 2026 | sles 15.7 140.7.1-150200.8.254.1 | Routine | 1 | 0 |
| [SUSE-SU-2026:0388-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0388-1.md) | Feb 5, 2026 | opensuse-leap 15.6 140.7.1-150200.8.254.1 | Routine | 1 | 0 |
| [SUSE-SU-2026:0153-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0153-1.md) | Jan 19, 2026 | sles 15.7 140.7.0-150200.8.251.1 | High | 13 | 0 |
| [SUSE-SU-2026:0153-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0153-1.md) | Jan 19, 2026 | opensuse-leap 15.6 140.7.0-150200.8.251.1 | High | 13 | 0 |
| [OPENSUSE-SU-2026:20046-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20046-1.md) | Jan 16, 2026 | opensuse-leap 16.0 140.6.0-bp160.1.1 | High | 10 | 0 |
| [OPENSUSE-SU-2026:20002-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20002-1.md) | Jan 2, 2026 | opensuse-leap 16.0 140.5.0-bp160.1.1 | High | 9 | 0 |
| [SUSE-SU-2025:4397-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4397-1.md) | Dec 15, 2025 | sles 15.7 140.6.0-150200.8.248.1 | High | 10 | 0 |
| [SUSE-SU-2025:4397-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4397-1.md) | Dec 15, 2025 | sles 15.6 140.6.0-150200.8.248.1 | High | 10 | 0 |
| [SUSE-SU-2025:4397-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4397-1.md) | Dec 15, 2025 | opensuse-leap 15.6 140.6.0-150200.8.248.1 | High | 10 | 0 |
| [SUSE-SU-2025:4195-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4195-1.md) | Nov 24, 2025 | sles 15.7 140.5.0-150200.8.245.1 | High | 9 | 0 |
| [SUSE-SU-2025:4195-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4195-1.md) | Nov 24, 2025 | sles 15.6 140.5.0-150200.8.245.1 | High | 9 | 0 |
| [SUSE-SU-2025:4195-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4195-1.md) | Nov 24, 2025 | opensuse-leap 15.6 140.5.0-150200.8.245.1 | High | 9 | 0 |
| [SUSE-SU-2025:4006-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4006-1.md) | Nov 10, 2025 | sles 15.6 140.4.0-150200.8.242.1 | High | 8 | 0 |
| [SUSE-SU-2025:4006-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4006-1.md) | Nov 10, 2025 | sles 15.7 140.4.0-150200.8.242.1 | High | 8 | 0 |
| [SUSE-SU-2025:4006-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4006-1.md) | Nov 10, 2025 | opensuse-leap 15.6 140.4.0-150200.8.242.1 | High | 8 | 0 |
| [OPENSUSE-SU-2025:20026-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-20026-1.md) | Nov 7, 2025 | opensuse-leap 16.0 140.4.0-bp160.1.1 | High | 8 | 0 |
| [OPENSUSE-SU-2025:20021-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-20021-1.md) | Oct 29, 2025 | opensuse-leap 16.0 140.3.0-bp160.1.1 | High | 7 | 0 |
| [SUSE-SU-2025:03309-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03309-1.md) | Sep 23, 2025 | sles 15.7 140.3.0-150200.8.239.1 | High | 7 | 0 |
| [SUSE-SU-2025:03309-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03309-1.md) | Sep 23, 2025 | sles 15.6 140.3.0-150200.8.239.1 | High | 7 | 0 |
| [SUSE-SU-2025:03309-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03309-1.md) | Sep 23, 2025 | opensuse-leap 15.6 140.3.0-150200.8.239.1 | High | 7 | 0 |
| [SUSE-SU-2025:03007-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03007-1.md) | Aug 28, 2025 | sles 15.6 140.2.0-150200.8.236.1 | High | 6 | 0 |
| [SUSE-SU-2025:03007-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03007-1.md) | Aug 28, 2025 | sles 15.7 140.2.0-150200.8.236.1 | High | 6 | 0 |
| [SUSE-SU-2025:03007-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03007-1.md) | Aug 28, 2025 | opensuse-leap 15.6 140.2.0-150200.8.236.1 | High | 6 | 0 |
| [SUSE-SU-2025:02546-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02546-1.md) | Jul 30, 2025 | sles 15.6 140.1.0-150200.8.230.1 | High | 25 | 0 |
| [SUSE-SU-2025:02546-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02546-1.md) | Jul 30, 2025 | sles 15.7 140.1.0-150200.8.230.1 | High | 25 | 0 |
| [SUSE-SU-2025:02546-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02546-1.md) | Jul 30, 2025 | opensuse-leap 15.6 140.1.0-150200.8.230.1 | High | 25 | 0 |
| [SUSE-SU-2025:02158-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02158-1.md) | Jun 27, 2025 | sles 15.6 128.11.1-150200.8.224.1 | High | 1 | 0 |
| [SUSE-SU-2025:02158-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02158-1.md) | Jun 27, 2025 | sles 15.7 128.11.1-150200.8.224.1 | High | 1 | 0 |
| [SUSE-SU-2025:02158-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02158-1.md) | Jun 27, 2025 | opensuse-leap 15.6 128.11.1-150200.8.224.1 | High | 1 | 0 |
| [SUSE-SU-2025:01946-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01946-1.md) | Jun 13, 2025 | sles 15.6 128.11.0-150200.8.221.1 | High | 8 | 0 |
| [SUSE-SU-2025:01946-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01946-1.md) | Jun 13, 2025 | sles 15.7 128.11.0-150200.8.221.1 | High | 8 | 0 |
| [SUSE-SU-2025:01946-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01946-1.md) | Jun 13, 2025 | opensuse-leap 15.6 128.11.0-150200.8.221.1 | High | 8 | 0 |
| [SUSE-SU-2025:01813-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01813-1.md) | Jun 4, 2025 | sles 15.6 128.10.2-150200.8.218.1 | High | 2 | 0 |
| [SUSE-SU-2025:01813-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01813-1.md) | Jun 4, 2025 | sles 15.7 128.10.2-150200.8.218.1 | High | 2 | 0 |
| [SUSE-SU-2025:01813-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01813-1.md) | Jun 4, 2025 | opensuse-leap 15.6 128.10.2-150200.8.218.1 | High | 2 | 0 |
| [SUSE-SU-2025:01660-2](https://patchblox.com/security/data/fix/linux/suse-su-2025-01660-2.md) | May 29, 2025 | sles 15.7 128.10.1-150200.8.215.1 | High | 4 | 0 |
| [SUSE-SU-2025:01660-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01660-1.md) | May 22, 2025 | sles 15.6 128.10.1-150200.8.215.1 | High | 4 | 0 |
| [SUSE-SU-2025:01660-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01660-1.md) | May 22, 2025 | opensuse-leap 15.6 128.10.1-150200.8.215.1 | High | 4 | 0 |
| [SUSE-SU-2025:1506-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1506-1.md) | May 7, 2025 | sles 15.6 128.10.0-150200.8.212.1 | High | 7 | 0 |
| [SUSE-SU-2025:1506-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1506-1.md) | May 7, 2025 | opensuse-leap 15.6 128.10.0-150200.8.212.1 | High | 7 | 0 |
| [SUSE-SU-2025:1366-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1366-1.md) | Apr 24, 2025 | sles 15.6 128.9.2-150200.8.209.1 | High | 3 | 0 |
| [SUSE-SU-2025:1366-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1366-1.md) | Apr 24, 2025 | opensuse-leap 15.6 128.9.2-150200.8.209.1 | High | 3 | 0 |
| [SUSE-SU-2025:1157-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1157-1.md) | Apr 7, 2025 | sles 15.6 128.9.0-150200.8.206.1 | High | 3 | 0 |
| [SUSE-SU-2025:1157-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1157-1.md) | Apr 7, 2025 | opensuse-leap 15.6 128.9.0-150200.8.206.1 | High | 3 | 0 |
| [SUSE-SU-2025:0849-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0849-1.md) | Mar 12, 2025 | sles 15.6 128.8.0-150200.8.203.1 | High | 12 | 0 |
| [SUSE-SU-2025:0849-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0849-1.md) | Mar 12, 2025 | opensuse-leap 15.6 128.8.0-150200.8.203.1 | High | 12 | 0 |
| [SUSE-SU-2025:0405-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0405-1.md) | Feb 10, 2025 | sles 15.6 128.7.0-150200.8.200.1 | Urgent | 11 | 0 |
| [SUSE-SU-2025:0405-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0405-1.md) | Feb 10, 2025 | opensuse-leap 15.6 128.7.0-150200.8.200.1 | Urgent | 11 | 0 |
| [SUSE-SU-2025:0080-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0080-1.md) | Jan 13, 2025 | sles 15.6 128.6.0-150200.8.197.1 | High | 7 | 0 |
| [SUSE-SU-2025:0080-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0080-1.md) | Jan 13, 2025 | opensuse-leap 15.6 128.6.0-150200.8.197.1 | High | 7 | 0 |
| [SUSE-SU-2024:4326-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4326-1.md) | Dec 16, 2024 | sles 15.6 128.5.2-150200.8.194.1 | Routine | 1 | 0 |
| [SUSE-SU-2024:4326-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4326-1.md) | Dec 16, 2024 | opensuse-leap 15.6 128.5.2-150200.8.194.1 | Routine | 1 | 0 |
| [SUSE-SU-2024:4148-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4148-1.md) | Dec 3, 2024 | sles 15.6 128.5.0-150200.8.191.1 | Urgent | 9 | 0 |
| [SUSE-SU-2024:4148-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4148-1.md) | Dec 3, 2024 | opensuse-leap 15.6 128.5.0-150200.8.191.1 | Urgent | 9 | 0 |
| [SUSE-SU-2024:4050-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4050-1.md) | Nov 25, 2024 | sles 15.6 128.4.3-150200.8.188.1 | High | 11 | 0 |
| [SUSE-SU-2024:4050-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4050-1.md) | Nov 25, 2024 | opensuse-leap 15.6 128.4.3-150200.8.188.1 | High | 11 | 0 |
| [SUSE-SU-2024:3731-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3731-1.md) | Oct 18, 2024 | sles 15.6 128.3.1-150200.8.185.1 | Patch now | 1 | 1 |
| [SUSE-SU-2024:3731-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3731-1.md) | Oct 18, 2024 | opensuse-leap 15.6 128.3.1-150200.8.185.1 | Patch now | 1 | 1 |
| [SUSE-SU-2024:3629-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3629-1.md) | Oct 15, 2024 | sles 15.6 128.3.0-150200.8.182.1 | High | 11 | 0 |
| [SUSE-SU-2024:3629-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3629-1.md) | Oct 15, 2024 | opensuse-leap 15.6 128.3.0-150200.8.182.1 | High | 11 | 0 |
| [SUSE-SU-2024:3507-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3507-1.md) | Oct 1, 2024 | sles 15.6 128.2.3-150200.8.177.1 | High | 32 | 0 |
| [SUSE-SU-2024:3507-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3507-1.md) | Oct 1, 2024 | opensuse-leap 15.6 128.2.3-150200.8.177.1 | High | 32 | 0 |
| [SUSE-SU-2024:2415-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2415-1.md) | Jul 12, 2024 | sles 15.6 115.12.2-150200.8.168.1 | High | 1 | 0 |
| [SUSE-SU-2024:2415-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2415-1.md) | Jul 12, 2024 | opensuse-leap 15.6 115.12.2-150200.8.168.1 | High | 1 | 0 |
| [SUSE-SU-2024:2073-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2073-1.md) | Jun 18, 2024 | sles 15.6 115.12.0-150200.8.163.1 | High | 8 | 0 |
| [SUSE-SU-2024:2073-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2073-1.md) | Jun 18, 2024 | opensuse-leap 15.6 115.12.0-150200.8.163.1 | High | 8 | 0 |
| [SUSE-SU-2024:1858-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1858-1.md) | May 30, 2024 | sles 15.6 115.11.0-150200.8.160.1 | High | 6 | 0 |
| [SUSE-SU-2024:1858-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1858-1.md) | May 30, 2024 | opensuse-leap 15.6 115.11.0-150200.8.160.1 | High | 6 | 0 |

---

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