# CVE-2021-45417: aide: Advanced Intrusion Detection Environment (AIDE) is a utility that creates a database of files on the system, and then...

CVE-2021-45417 is fixed in 4 products on 1 platform, first by DSA-5051-1, released January 20, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-45417
- Priority: High
- CVSS: 7.8 (Important)
- EPSS: 0.0049
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 20, 2022

## Description

Advanced Intrusion Detection Environment (AIDE) is a utility that creates a database of files on the system, and then uses that database to ensure file integrity and detect system intrusions.  Security Fix(es):  * aide: heap-based buffer overflow on outputs larger than B64_BUF (CVE-2021-45417)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | aide Debian 11.6 (bullseye) | 0.17.3-4+deb11u1 | [DSA-5051-1](https://patchblox.com/security/data/fix/linux/dsa-5051-1.md) | Jan 20, 2022 |
| Linux | aide Debian 12.15 (bookworm) | 0.17.4-1 | [DEBIAN-CVE-2021-45417](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45417.md) | Jan 20, 2022 |
| Linux | aide Debian 13.5 (trixie) | 0.17.4-1 | [DEBIAN-CVE-2021-45417](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45417.md) | Jan 20, 2022 |
| Linux | aide Debian 14 | 0.17.4-1 | [DEBIAN-CVE-2021-45417](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45417.md) | Jan 20, 2022 |
| Linux | aide RHEL 8 | 0:0.16-14.el8_5.1 | [RHSA-2022:0441](https://patchblox.com/security/data/fix/linux/rhsa-2022-0441.md) | Feb 7, 2022 |
| Linux | aide Ubuntu 18.04.6 LTS (bionic) | 0.16-3ubuntu0.1 | [aide 0.16-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-aide-0.16-3ubuntu0.1.md) | Jan 20, 2022 |
| Linux | aide Ubuntu 20.04 LTS (focal) | 0.16.1-1ubuntu0.1 | [aide 0.16.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-aide-0.16.1-1ubuntu0.1.md) | Jan 20, 2022 |
| Linux | aide almalinux 8 | 0.16-14.el8_5.1 | [ALSA-2022:0441](https://patchblox.com/security/data/fix/linux/alsa-2022-0441.md) | Feb 7, 2022 |
| Linux | aide ol 8 | 0:0.16-14.el8_5.1 | [ELSA-2022-0441](https://patchblox.com/security/data/fix/linux/elsa-2022-0441.md) | Feb 7, 2022 |
| Linux | aide rocky 8 | 0:0.16-14.el8_5.1 | [RLSA-2022:0441](https://patchblox.com/security/data/fix/linux/rlsa-2022-0441.md) | Feb 7, 2022 |
| Linux | aide-common Ubuntu 18.04.6 LTS (bionic) | 0.16-3ubuntu0.1 | [aide-common 0.16-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-aide-common-0.16-3ubuntu0.1.md) | Jan 20, 2022 |
| Linux | aide-common Ubuntu 20.04 LTS (focal) | 0.16.1-1ubuntu0.1 | [aide-common 0.16.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-aide-common-0.16.1-1ubuntu0.1.md) | Jan 20, 2022 |
| Linux | aide-dynamic Ubuntu 18.04.6 LTS (bionic) | 0.16-3ubuntu0.1 | [aide-dynamic 0.16-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-aide-dynamic-0.16-3ubuntu0.1.md) | Jan 20, 2022 |
| Linux | aide-dynamic Ubuntu 20.04 LTS (focal) | 0.16.1-1ubuntu0.1 | [aide-dynamic 0.16.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-aide-dynamic-0.16.1-1ubuntu0.1.md) | Jan 20, 2022 |
| Linux | aide-xen Ubuntu 18.04.6 LTS (bionic) | 0.16-3ubuntu0.1 | [aide-xen 0.16-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-aide-xen-0.16-3ubuntu0.1.md) | Jan 20, 2022 |
| Linux | aide-xen Ubuntu 20.04 LTS (focal) | 0.16.1-1ubuntu0.1 | [aide-xen 0.16.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-aide-xen-0.16.1-1ubuntu0.1.md) | Jan 20, 2022 |

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Data as of 2026-11-10T01:44:33Z 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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