# CVE-2023-28486: sudo: Sudo before 1.9.13 does not escape control characters in log messages.

CVE-2023-28486 is fixed in 10 products on 1 platform, first by sudo 1.8.21p2-3ubuntu1.6, released March 15, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-28486
- Priority: Routine
- CVSS: 5.3 (Medium)
- EPSS: 0.0092
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 15, 2023

## Description

Sudo before 1.9.13 does not escape control characters in log messages.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libnss-sudo Ubuntu 24.10 (oracular) | 1.9.13p1-1ubuntu2 | [libnss-sudo 1.9.13p1-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libnss-sudo-1.9.13p1-1ubuntu2.md) | Jan 16, 2026 |
| Linux | libnss-sudo Ubuntu 25.04 (plucky) | 1.9.13p1-1ubuntu2 | [libnss-sudo 1.9.13p1-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libnss-sudo-1.9.13p1-1ubuntu2.md) | Jan 16, 2026 |
| Linux | sudo Debian 11.6 (bullseye) | 1.9.5p2-3+deb11u3 | [DLA-4472-1](https://patchblox.com/security/data/fix/linux/dla-4472-1.md) | Feb 6, 2026 |
| Linux | sudo Debian 12.15 (bookworm) | 1.9.13p1-1 | [DEBIAN-CVE-2023-28486](https://patchblox.com/security/data/fix/linux/debian-cve-2023-28486.md) | Mar 16, 2023 |
| Linux | sudo Debian 13.5 (trixie) | 1.9.13p1-1 | [DEBIAN-CVE-2023-28486](https://patchblox.com/security/data/fix/linux/debian-cve-2023-28486.md) | Mar 16, 2023 |
| Linux | sudo Debian 14 | 1.9.13p1-1 | [DEBIAN-CVE-2023-28486](https://patchblox.com/security/data/fix/linux/debian-cve-2023-28486.md) | Mar 16, 2023 |
| Linux | sudo RHEL 8 | 0:1.9.5p2-1.el8_9 | [RHSA-2024:0811](https://patchblox.com/security/data/fix/linux/rhsa-2024-0811.md) | Feb 14, 2024 |
| Linux | sudo RHEL 9 | 0:1.9.5p2-10.el9_3 | [RHSA-2024:0811](https://patchblox.com/security/data/fix/linux/rhsa-2024-0811.md) | Feb 14, 2024 |
| Linux | sudo Ubuntu 18.04.6 LTS (bionic) | 1.8.21p2-3ubuntu1.6 | [sudo 1.8.21p2-3ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sudo-1.8.21p2-3ubuntu1.6.md) | Mar 15, 2023 |
| Linux | sudo Ubuntu 20.04 LTS (focal) | 1.8.31-1ubuntu1.5 | [sudo 1.8.31-1ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-sudo-1.8.31-1ubuntu1.5.md) | Mar 15, 2023 |
| Linux | sudo Ubuntu 22.04.1 LTS (jammy) | 1.9.9-1ubuntu2.4 | [sudo 1.9.9-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-sudo-1.9.9-1ubuntu2.4.md) | Mar 15, 2023 |
| Linux | sudo Ubuntu 24.10 (oracular) | 1.9.13p1-1ubuntu2 | [sudo 1.9.13p1-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-sudo-1.9.13p1-1ubuntu2.md) | Jan 16, 2026 |
| Linux | sudo Ubuntu 25.04 (plucky) | 1.9.13p1-1ubuntu2 | [sudo 1.9.13p1-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-sudo-1.9.13p1-1ubuntu2.md) | Jan 16, 2026 |
| Linux | sudo almalinux 9 | 1.9.5p2-10.el9_3 | [ALSA-2024:0811](https://patchblox.com/security/data/fix/linux/alsa-2024-0811.md) | Feb 14, 2024 |
| Linux | sudo amzn 2023 | 1.9.13-1.p2.amzn2023.0.1 | [ALAS2023-2023-135](https://patchblox.com/security/data/fix/linux/alas2023-2023-135.md) | Mar 20, 2023 |
| Linux | sudo ol 8 | 0:1.9.5p2-10.el9_3 | [ELSA-2024-0811](https://patchblox.com/security/data/fix/linux/elsa-2024-0811.md) | Feb 14, 2024 |
| Linux | sudo ol 9 | 0:1.9.5p2-10.el9_3 | [ELSA-2024-0811](https://patchblox.com/security/data/fix/linux/elsa-2024-0811.md) | Feb 14, 2024 |
| Linux | sudo-debuginfo amzn 2023 | 1.9.13-1.p2.amzn2023.0.1 | [ALAS2023-2023-135](https://patchblox.com/security/data/fix/linux/alas2023-2023-135.md) | Mar 20, 2023 |
| Linux | sudo-debugsource amzn 2023 | 1.9.13-1.p2.amzn2023.0.1 | [ALAS2023-2023-135](https://patchblox.com/security/data/fix/linux/alas2023-2023-135.md) | Mar 20, 2023 |
| Linux | sudo-devel amzn 2023 | 1.9.13-1.p2.amzn2023.0.1 | [ALAS2023-2023-135](https://patchblox.com/security/data/fix/linux/alas2023-2023-135.md) | Mar 20, 2023 |
| Linux | sudo-ldap Ubuntu 18.04.6 LTS (bionic) | 1.8.21p2-3ubuntu1.6 | [sudo-ldap 1.8.21p2-3ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sudo-ldap-1.8.21p2-3ubuntu1.6.md) | Mar 15, 2023 |
| Linux | sudo-ldap Ubuntu 20.04 LTS (focal) | 1.8.31-1ubuntu1.5 | [sudo-ldap 1.8.31-1ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-sudo-ldap-1.8.31-1ubuntu1.5.md) | Mar 15, 2023 |
| Linux | sudo-ldap Ubuntu 22.04.1 LTS (jammy) | 1.9.9-1ubuntu2.4 | [sudo-ldap 1.9.9-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-sudo-ldap-1.9.9-1ubuntu2.4.md) | Mar 15, 2023 |
| Linux | sudo-ldap Ubuntu 24.10 (oracular) | 1.9.13p1-1ubuntu2 | [sudo-ldap 1.9.13p1-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-sudo-ldap-1.9.13p1-1ubuntu2.md) | Jan 16, 2026 |
| Linux | sudo-ldap Ubuntu 25.04 (plucky) | 1.9.13p1-1ubuntu2 | [sudo-ldap 1.9.13p1-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-sudo-ldap-1.9.13p1-1ubuntu2.md) | Jan 16, 2026 |
| Linux | sudo-logsrvd amzn 2023 | 1.9.13-1.p2.amzn2023.0.1 | [ALAS2023-2023-135](https://patchblox.com/security/data/fix/linux/alas2023-2023-135.md) | Mar 20, 2023 |
| Linux | sudo-logsrvd-debuginfo amzn 2023 | 1.9.13-1.p2.amzn2023.0.1 | [ALAS2023-2023-135](https://patchblox.com/security/data/fix/linux/alas2023-2023-135.md) | Mar 20, 2023 |
| Linux | sudo-python-plugin RHEL 9 | 0:1.9.5p2-10.el9_3 | [RHSA-2024:0811](https://patchblox.com/security/data/fix/linux/rhsa-2024-0811.md) | Feb 14, 2024 |
| Linux | sudo-python-plugin almalinux 9 | 1.9.5p2-10.el9_3 | [ALSA-2024:0811](https://patchblox.com/security/data/fix/linux/alsa-2024-0811.md) | Feb 14, 2024 |
| Linux | sudo-python-plugin amzn 2023 | 1.9.13-1.p2.amzn2023.0.1 | [ALAS2023-2023-135](https://patchblox.com/security/data/fix/linux/alas2023-2023-135.md) | Mar 20, 2023 |
| Linux | sudo-python-plugin ol 8 | 0:1.9.5p2-10.el9_3 | [ELSA-2024-0811](https://patchblox.com/security/data/fix/linux/elsa-2024-0811.md) | Feb 14, 2024 |
| Linux | sudo-python-plugin ol 9 | 0:1.9.5p2-10.el9_3 | [ELSA-2024-0811](https://patchblox.com/security/data/fix/linux/elsa-2024-0811.md) | Feb 14, 2024 |
| Linux | sudo-python-plugin-debuginfo amzn 2023 | 1.9.13-1.p2.amzn2023.0.1 | [ALAS2023-2023-135](https://patchblox.com/security/data/fix/linux/alas2023-2023-135.md) | Mar 20, 2023 |

---

Data as of 2026-11-08T00:53:09Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
