# dropbear security updates

Patch Radar has 18 security fixes for dropbear, closing 5 CVEs. The newest security fix is DEBIAN-CVE-2026-3706 (2026.90-1), released March 8, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [DEBIAN-CVE-2026-3706](https://patchblox.com/security/data/fix/linux/debian-cve-2026-3706.md) | Mar 8, 2026 | Debian 14 2026.90-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-14282](https://patchblox.com/security/data/fix/linux/debian-cve-2025-14282.md) | Feb 12, 2026 | Debian 14 2025.89-1 | Routine | 1 | 0 |
| [dropbear 2020.81-3+deb11u1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-dropbear-2020.81-3-deb11u1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2020.81-3+deb11u1 | High | 1 | 0 |
| [dropbear 2020.81-3+deb11u1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-dropbear-2020.81-3-deb11u1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2020.81-3+deb11u1 | High | 1 | 0 |
| [DSA-6086-1](https://patchblox.com/security/data/fix/linux/dsa-6086-1.md) | Dec 19, 2025 | Debian 13.5 (trixie) 2025.89-1~deb13u1 | Routine | 1 | 0 |
| [DLA-4169-1](https://patchblox.com/security/data/fix/linux/dla-4169-1.md) | May 17, 2025 | Debian 11.6 (bullseye) 2020.81-3+deb11u3 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-47203](https://patchblox.com/security/data/fix/linux/debian-cve-2025-47203.md) | May 7, 2025 | Debian 12.15 (bookworm) 2022.83-1+deb12u3 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-47203](https://patchblox.com/security/data/fix/linux/debian-cve-2025-47203.md) | May 7, 2025 | Debian 13.5 (trixie) 2025.88-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-47203](https://patchblox.com/security/data/fix/linux/debian-cve-2025-47203.md) | May 7, 2025 | Debian 14 2025.88-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-48795](https://patchblox.com/security/data/fix/linux/debian-cve-2023-48795.md) | Dec 18, 2023 | Debian 12.15 (bookworm) 2022.83-1+deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-48795](https://patchblox.com/security/data/fix/linux/debian-cve-2023-48795.md) | Dec 18, 2023 | Debian 13.5 (trixie) 2022.83-4 | High | 1 | 0 |
| [DEBIAN-CVE-2023-48795](https://patchblox.com/security/data/fix/linux/debian-cve-2023-48795.md) | Dec 18, 2023 | Debian 14 2022.83-4 | High | 1 | 0 |
| [dropbear 2017.75-3ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dropbear-2017.75-3ubuntu0.1-esm1.md) | Dec 18, 2023 | Ubuntu 18.04.6 LTS (bionic) 2017.75-3ubuntu0.1~esm1 | High | 2 | 0 |
| [dropbear 2019.78-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-dropbear-2019.78-2ubuntu0.1-esm1.md) | Dec 18, 2023 | Ubuntu 20.04 LTS (focal) 2019.78-2ubuntu0.1~esm1 | High | 2 | 0 |
| [dropbear 2020.81-5ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dropbear-2020.81-5ubuntu0.1.md) | Dec 18, 2023 | Ubuntu 22.04.1 LTS (jammy) 2020.81-5ubuntu0.1 | High | 2 | 0 |
| [DEBIAN-CVE-2021-36369](https://patchblox.com/security/data/fix/linux/debian-cve-2021-36369.md) | Oct 12, 2022 | Debian 12.15 (bookworm) 2022.82-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-36369](https://patchblox.com/security/data/fix/linux/debian-cve-2021-36369.md) | Oct 12, 2022 | Debian 13.5 (trixie) 2022.82-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-36369](https://patchblox.com/security/data/fix/linux/debian-cve-2021-36369.md) | Oct 12, 2022 | Debian 14 2022.82-1 | High | 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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