# ncurses-base security updates

Patch Radar has 33 security fixes for ncurses-base, closing 11 CVEs. The newest security fix is ALSA-2026:5913 (6.4-15.20240127.el10_1), released March 26, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [ALSA-2026:5913](https://patchblox.com/security/data/fix/linux/alsa-2026-5913.md) | Mar 26, 2026 | almalinux 10 6.4-15.20240127.el10_1 | Urgent | 1 | 0 |
| [ELSA-2026-5913](https://patchblox.com/security/data/fix/linux/elsa-2026-5913.md) | Mar 26, 2026 | ol 10 0:6.4-15.20240127.el10_1 | Urgent | 1 | 0 |
| [ncurses-base 6.1-1ubuntu1.18.04.1+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ncurses-base-6.1-1ubuntu1.18.04.1-esm3.md) | Mar 19, 2026 | Ubuntu 18.04.6 LTS (bionic) 6.1-1ubuntu1.18.04.1+esm3 | Urgent | 1 | 0 |
| [ncurses-base 6.2-0ubuntu2.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ncurses-base-6.2-0ubuntu2.1-esm1.md) | Mar 19, 2026 | Ubuntu 20.04 LTS (focal) 6.2-0ubuntu2.1+esm1 | Urgent | 1 | 0 |
| [ncurses-base 6.3-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ncurses-base-6.3-2ubuntu0.2.md) | Mar 19, 2026 | Ubuntu 22.04.1 LTS (jammy) 6.3-2ubuntu0.2 | Urgent | 1 | 0 |
| [ncurses-base 6.4+20240113-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ncurses-base-6.4-20240113-1ubuntu2.1.md) | Mar 19, 2026 | Ubuntu 24.04.5 LTS (noble) 6.4+20240113-1ubuntu2.1 | Urgent | 1 | 0 |
| [ncurses-base 6.5+20250216-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-ncurses-base-6.5-20250216-2ubuntu0.1.md) | Mar 19, 2026 | Ubuntu 25.10 (questing) 6.5+20250216-2ubuntu0.1 | Urgent | 1 | 0 |
| [ELSA-2025-12876](https://patchblox.com/security/data/fix/linux/elsa-2025-12876.md) | Aug 5, 2025 | ol 9 0:6.2-10.20210508.el9_6.2 | High | 1 | 0 |
| [RHSA-2025:12876](https://patchblox.com/security/data/fix/linux/rhsa-2025-12876.md) | Aug 5, 2025 | RHEL 9 0:6.2-10.20210508.el9_6.2 | High | 1 | 0 |
| [ncurses-base 6.1-1ubuntu1.18.04.1+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ncurses-base-6.1-1ubuntu1.18.04.1-esm4.md) | Jun 16, 2025 | Ubuntu 18.04.6 LTS (bionic) 6.1-1ubuntu1.18.04.1+esm4 | Routine | 1 | 0 |
| [ncurses-base 6.2-0ubuntu2.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ncurses-base-6.2-0ubuntu2.1-esm2.md) | Jun 16, 2025 | Ubuntu 20.04 LTS (focal) 6.2-0ubuntu2.1+esm2 | Routine | 1 | 0 |
| [ncurses-base 6.3-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ncurses-base-6.3-2ubuntu0.3.md) | Jun 16, 2025 | Ubuntu 22.04.1 LTS (jammy) 6.3-2ubuntu0.3 | Routine | 1 | 0 |
| [ncurses-base 6.4+20240113-1ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ncurses-base-6.4-20240113-1ubuntu2.2.md) | Jun 16, 2025 | Ubuntu 24.04.5 LTS (noble) 6.4+20240113-1ubuntu2.2 | Routine | 1 | 0 |
| [ALAS2023-2024-554](https://patchblox.com/security/data/fix/linux/alas2023-2024-554.md) | Feb 29, 2024 | amzn 2023 6.2-4.20200222.amzn2023.0.6 | Routine | 1 | 0 |
| [ALAS2023-2024-466](https://patchblox.com/security/data/fix/linux/alas2023-2024-466.md) | Jan 3, 2024 | amzn 2023 6.2-4.20200222.amzn2023.0.5 | Routine | 1 | 0 |
| [ncurses-base 6.1-1ubuntu1.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ncurses-base-6.1-1ubuntu1.18.04.1-esm2.md) | Dec 12, 2023 | Ubuntu 18.04.6 LTS (bionic) 6.1-1ubuntu1.18.04.1+esm2 | Routine | 1 | 0 |
| [ELSA-2023-6698](https://patchblox.com/security/data/fix/linux/elsa-2023-6698.md) | Nov 11, 2023 | ol 9 0:6.2-10.20210508.el9 | High | 1 | 0 |
| [ALSA-2023:6698](https://patchblox.com/security/data/fix/linux/alsa-2023-6698.md) | Nov 7, 2023 | almalinux 9 6.2-10.20210508.el9 | High | 1 | 0 |
| [RHSA-2023:6698](https://patchblox.com/security/data/fix/linux/rhsa-2023-6698.md) | Nov 7, 2023 | RHEL 9 0:6.2-10.20210508.el9 | High | 1 | 0 |
| [ELSA-2023-5249](https://patchblox.com/security/data/fix/linux/elsa-2023-5249.md) | Sep 20, 2023 | ol 8 0:6.1-9.20180224.el8_8.1 | High | 1 | 0 |
| [ALSA-2023:5249](https://patchblox.com/security/data/fix/linux/alsa-2023-5249.md) | Sep 19, 2023 | almalinux 8 6.1-9.20180224.el8_8.1 | High | 1 | 0 |
| [RHSA-2023:5249](https://patchblox.com/security/data/fix/linux/rhsa-2023-5249.md) | Sep 19, 2023 | RHEL 8 0:6.1-9.20180224.el8_8.1 | High | 1 | 0 |
| [ncurses-base 6.1-1ubuntu1.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ncurses-base-6.1-1ubuntu1.18.04.1-esm1.md) | Aug 22, 2023 | Ubuntu 18.04.6 LTS (bionic) 6.1-1ubuntu1.18.04.1+esm1 | Routine | 1 | 0 |
| [ALAS2023-2023-220](https://patchblox.com/security/data/fix/linux/alas2023-2023-220.md) | Jun 21, 2023 | amzn 2023 6.2-4.20200222.amzn2023.0.4 | High | 1 | 0 |
| [ncurses-base 6.1-1ubuntu1.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ncurses-base-6.1-1ubuntu1.18.04.1.md) | Apr 13, 2023 | Ubuntu 18.04.6 LTS (bionic) 6.1-1ubuntu1.18.04.1 | High | 5 | 0 |
| [ncurses-base 6.2-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ncurses-base-6.2-0ubuntu2.1.md) | Apr 13, 2023 | Ubuntu 20.04 LTS (focal) 6.2-0ubuntu2.1 | High | 3 | 0 |
| [ncurses-base 6.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ncurses-base-6.3-2ubuntu0.1.md) | Apr 13, 2023 | Ubuntu 22.04.1 LTS (jammy) 6.3-2ubuntu0.1 | High | 2 | 0 |
| [ALAS2023-2023-023](https://patchblox.com/security/data/fix/linux/alas2023-2023-023.md) | Feb 17, 2023 | amzn 2023 6.2-4.20200222.amzn2023.0.3 | High | 2 | 0 |
| [ELSA-2021-4426](https://patchblox.com/security/data/fix/linux/elsa-2021-4426.md) | Nov 16, 2021 | ol 8 0:6.1-9.20180224.el8 | Routine | 2 | 0 |
| [ALSA-2021:4426](https://patchblox.com/security/data/fix/linux/alsa-2021-4426.md) | Nov 9, 2021 | almalinux 8 6.1-9.20180224.el8 | Routine | 2 | 0 |
| [RHSA-2021:4426](https://patchblox.com/security/data/fix/linux/rhsa-2021-4426.md) | Nov 9, 2021 | RHEL 8 0:6.1-9.20180224.el8 | Routine | 2 | 0 |
| [ncurses-base 6.1+20191019-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ncurses-base-6.1-20191019-1ubuntu1.md) | Oct 14, 2019 | Ubuntu 20.04 LTS (focal) 6.1+20191019-1ubuntu1 | Routine | 2 | 0 |
| [ncurses-base 6.1-1ubuntu1.18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ncurses-base-6.1-1ubuntu1.18.04.md) | Nov 12, 2018 | Ubuntu 18.04.6 LTS (bionic) 6.1-1ubuntu1.18.04 | 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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