# less security updates

Patch Radar has 25 security fixes for less, closing 3 CVEs. The newest is less 590-2ubuntu1 (590-2ubuntu1), released January 16, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [less 590-2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-less-590-2ubuntu1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 590-2ubuntu1 | High | 1 | 0 |
| [less 590-2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-less-590-2ubuntu1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 590-2ubuntu1 | High | 1 | 0 |
| [RHSA-2024:4256](https://patchblox.com/security/data/fix/linux/rhsa-2024-4256.md) | Jul 2, 2024 | RHEL 8 0:530-3.el8_10 | High | 2 | 0 |
| [RHSA-2024:3513](https://patchblox.com/security/data/fix/linux/rhsa-2024-3513.md) | May 30, 2024 | RHEL 9 0:590-4.el9_4 | High | 1 | 0 |
| [DSA-5679-1](https://patchblox.com/security/data/fix/linux/dsa-5679-1.md) | May 3, 2024 | Debian 11.6 (bullseye) 551-2+deb11u2 | High | 1 | 0 |
| [DSA-5679-1](https://patchblox.com/security/data/fix/linux/dsa-5679-1.md) | May 3, 2024 | Debian 12.15 (bookworm) 590-2.1~deb12u2 | High | 1 | 0 |
| [DEBIAN-CVE-2024-32487](https://patchblox.com/security/data/fix/linux/debian-cve-2024-32487.md) | Apr 13, 2024 | Debian 12.15 (bookworm) 590-2.1~deb12u2 | High | 1 | 0 |
| [DEBIAN-CVE-2024-32487](https://patchblox.com/security/data/fix/linux/debian-cve-2024-32487.md) | Apr 13, 2024 | Debian 13.5 (trixie) 590-2.1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-32487](https://patchblox.com/security/data/fix/linux/debian-cve-2024-32487.md) | Apr 13, 2024 | Debian 14 590-2.1 | High | 1 | 0 |
| [less 487-0.1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-less-487-0.1ubuntu0.1-esm2.md) | Apr 13, 2024 | Ubuntu 18.04.6 LTS (bionic) 487-0.1ubuntu0.1~esm2 | High | 1 | 0 |
| [less 551-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-less-551-1ubuntu0.3.md) | Apr 13, 2024 | Ubuntu 20.04 LTS (focal) 551-1ubuntu0.3 | High | 1 | 0 |
| [less 590-1ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-less-590-1ubuntu0.22.04.3.md) | Apr 13, 2024 | Ubuntu 22.04.1 LTS (jammy) 590-1ubuntu0.22.04.3 | High | 1 | 0 |
| [less 590-2ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-less-590-2ubuntu2.1.md) | Apr 13, 2024 | Ubuntu 24.04.5 LTS (noble) 590-2ubuntu2.1 | High | 1 | 0 |
| [RHSA-2024:1692](https://patchblox.com/security/data/fix/linux/rhsa-2024-1692.md) | Apr 8, 2024 | RHEL 9 0:590-3.el9_3 | High | 1 | 0 |
| [DEBIAN-CVE-2022-48624](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48624.md) | Feb 19, 2024 | Debian 14 590-2.1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-48624](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48624.md) | Feb 19, 2024 | Debian 13.5 (trixie) 590-2.1 | High | 1 | 0 |
| [less 487-0.1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-less-487-0.1ubuntu0.1-esm1.md) | Feb 18, 2024 | Ubuntu 18.04.6 LTS (bionic) 487-0.1ubuntu0.1~esm1 | High | 1 | 0 |
| [less 551-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-less-551-1ubuntu0.2.md) | Feb 18, 2024 | Ubuntu 20.04 LTS (focal) 551-1ubuntu0.2 | High | 1 | 0 |
| [less 590-1ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-less-590-1ubuntu0.22.04.2.md) | Feb 18, 2024 | Ubuntu 22.04.1 LTS (jammy) 590-1ubuntu0.22.04.2 | High | 1 | 0 |
| [less 590-2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-less-590-2ubuntu1.md) | Feb 18, 2024 | Ubuntu 24.04.5 LTS (noble) 590-2ubuntu1 | High | 1 | 0 |
| [RHSA-2023:3725](https://patchblox.com/security/data/fix/linux/rhsa-2023-3725.md) | Jun 21, 2023 | RHEL 9 0:590-2.el9_2 | High | 1 | 0 |
| [DEBIAN-CVE-2022-46663](https://patchblox.com/security/data/fix/linux/debian-cve-2022-46663.md) | Feb 7, 2023 | Debian 12.15 (bookworm) 590-1.2 | High | 1 | 0 |
| [DEBIAN-CVE-2022-46663](https://patchblox.com/security/data/fix/linux/debian-cve-2022-46663.md) | Feb 7, 2023 | Debian 13.5 (trixie) 590-1.2 | High | 1 | 0 |
| [DEBIAN-CVE-2022-46663](https://patchblox.com/security/data/fix/linux/debian-cve-2022-46663.md) | Feb 7, 2023 | Debian 14 590-1.2 | High | 1 | 0 |
| [less 590-1ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-less-590-1ubuntu0.22.04.1.md) | Feb 7, 2023 | Ubuntu 22.04.1 LTS (jammy) 590-1ubuntu0.22.04.1 | High | 1 | 0 |

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Data as of 2026-11-07T00:32:44Z 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