# libkrb5support0 1.16-2ubuntu0.3: libkrb5support0 1.16-2ubuntu0.3 for Ubuntu 18.04.6 LTS (bionic)

libkrb5support0 1.16-2ubuntu0.3, released December 24, 2022, fixes 2 CVEs in libkrb5support0. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-libkrb5support0-1.16-2ubuntu0.3
- Platform: Linux
- Released: Dec 24, 2022
- Priority: High (Closes CVE-2022-42898, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libkrb5support0](https://patchblox.com/security/data/product/linux/libkrb5support0.md) | Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-42898](https://patchblox.com/security/data/cve/CVE-2022-42898.md) | High | ctdb: PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead t... | 8.8 | 0.0686 |  |
| [CVE-2018-20217](https://patchblox.com/security/data/cve/CVE-2018-20217.md) | Routine | libkdb5-9: A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17 | n/a | 0.0142 |  |

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Data as of 2026-11-11T07:45:43Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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