# RHSA-2021:5082: Security update for 25 packages

RHSA-2021:5082, released December 13, 2021, fixes 3 CVEs across 25 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2021-5082
- Platform: Linux
- Released: Dec 13, 2021
- Priority: High (Closes CVE-2021-23192, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2021:5082

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [ctdb](https://patchblox.com/security/data/product/linux/ctdb.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [libsmbclient](https://patchblox.com/security/data/product/linux/libsmbclient.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [libsmbclient-devel](https://patchblox.com/security/data/product/linux/libsmbclient-devel.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [libwbclient](https://patchblox.com/security/data/product/linux/libwbclient.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [libwbclient-devel](https://patchblox.com/security/data/product/linux/libwbclient-devel.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [python3-samba](https://patchblox.com/security/data/product/linux/python3-samba.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [python3-samba-test](https://patchblox.com/security/data/product/linux/python3-samba-test.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba](https://patchblox.com/security/data/product/linux/samba.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-client](https://patchblox.com/security/data/product/linux/samba-client.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-client-libs](https://patchblox.com/security/data/product/linux/samba-client-libs.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-common](https://patchblox.com/security/data/product/linux/samba-common.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-common-libs](https://patchblox.com/security/data/product/linux/samba-common-libs.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-common-tools](https://patchblox.com/security/data/product/linux/samba-common-tools.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-devel](https://patchblox.com/security/data/product/linux/samba-devel.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-krb5-printing](https://patchblox.com/security/data/product/linux/samba-krb5-printing.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-libs](https://patchblox.com/security/data/product/linux/samba-libs.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-pidl](https://patchblox.com/security/data/product/linux/samba-pidl.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-test](https://patchblox.com/security/data/product/linux/samba-test.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-test-libs](https://patchblox.com/security/data/product/linux/samba-test-libs.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-vfs-iouring](https://patchblox.com/security/data/product/linux/samba-vfs-iouring.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-winbind](https://patchblox.com/security/data/product/linux/samba-winbind.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-winbind-clients](https://patchblox.com/security/data/product/linux/samba-winbind-clients.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-winbind-krb5-locator](https://patchblox.com/security/data/product/linux/samba-winbind-krb5-locator.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-winbind-modules](https://patchblox.com/security/data/product/linux/samba-winbind-modules.md) | RHEL 8 | 0:4.14.5-7.el8_5 |
| [samba-winexe](https://patchblox.com/security/data/product/linux/samba-winexe.md) | RHEL 8 | 0:4.14.5-7.el8_5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-23192](https://patchblox.com/security/data/cve/CVE-2021-23192.md) | High | ctdb: Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet Fil... | 8.1 | 0.0195 |  |
| [CVE-2016-2124](https://patchblox.com/security/data/cve/CVE-2016-2124.md) | High | ctdb: A flaw was found in the way samba implemented SMB1 authentication | 8.1 | 0.0177 |  |
| [CVE-2020-25717](https://patchblox.com/security/data/cve/CVE-2020-25717.md) | High | libsmbclient0: A flaw was found in the way Samba maps domain users to local users | 8.1 | 0.0163 |  |

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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