# ELSA-2023-2570: Security update for 7 packages

ELSA-2023-2570, released May 15, 2023, fixes 1 CVE across 7 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2023-2570
- Platform: Linux
- Released: May 15, 2023
- Priority: High (Closes CVE-2020-17049, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2023-2570.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [krb5-devel](https://patchblox.com/security/data/product/linux/krb5-devel.md) | ol 9 | 0:1.20.1-8.0.1.el9 |
| [krb5-libs](https://patchblox.com/security/data/product/linux/krb5-libs.md) | ol 9 | 0:1.20.1-8.0.1.el9 |
| [krb5-pkinit](https://patchblox.com/security/data/product/linux/krb5-pkinit.md) | ol 9 | 0:1.20.1-8.0.1.el9 |
| [krb5-server](https://patchblox.com/security/data/product/linux/krb5-server.md) | ol 9 | 0:1.20.1-8.0.1.el9 |
| [krb5-server-ldap](https://patchblox.com/security/data/product/linux/krb5-server-ldap.md) | ol 9 | 0:1.20.1-8.0.1.el9 |
| [krb5-workstation](https://patchblox.com/security/data/product/linux/krb5-workstation.md) | ol 9 | 0:1.20.1-8.0.1.el9 |
| [libkadm5](https://patchblox.com/security/data/product/linux/libkadm5.md) | ol 9 | 0:1.20.1-8.0.1.el9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-17049](https://patchblox.com/security/data/cve/CVE-2020-17049.md) | High | Kerberos KDC Security Feature Bypass Vulnerability | 7.2 | 0.1379 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo