# CVE-2023-1672: tang: Tang is a server for binding data to network presence

CVE-2023-1672 is fixed in 4 products on 1 platform, first by tang 6-1ubuntu0.1~esm1, released July 11, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-1672
- Priority: Routine
- CVSS: 5.3 (Moderate)
- EPSS: 0.0057
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 11, 2023

## Description

Tang is a server for binding data to network presence. It includes a daemon which provides cryptographic operations for binding to a remote service. The tang package provides the server side of the Network Bound Disk Encryption (NBDE) project.  Security Fix(es):  * tang: Race condition exists in the key generation and rotation functionality (CVE-2023-1672)  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.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | tang Debian 12.15 (bookworm) | 11-2+deb12u1 | [DEBIAN-CVE-2023-1672](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1672.md) | Jul 11, 2023 |
| Linux | tang Debian 13.5 (trixie) | 14-1 | [DEBIAN-CVE-2023-1672](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1672.md) | Jul 11, 2023 |
| Linux | tang Debian 14 | 14-1 | [DEBIAN-CVE-2023-1672](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1672.md) | Jul 11, 2023 |
| Linux | tang RHEL 8 | 0:7-8.el8 | [RHSA-2023:7022](https://patchblox.com/security/data/fix/linux/rhsa-2023-7022.md) | Nov 14, 2023 |
| Linux | tang RHEL 9 | 0:14-2.el9 | [RHSA-2023:6492](https://patchblox.com/security/data/fix/linux/rhsa-2023-6492.md) | Nov 7, 2023 |
| Linux | tang Ubuntu 18.04.6 LTS (bionic) | 6-1ubuntu0.1~esm1 | [tang 6-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tang-6-1ubuntu0.1-esm1.md) | Jul 11, 2023 |
| Linux | tang Ubuntu 20.04 LTS (focal) | 7-1ubuntu0.2 | [tang 7-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tang-7-1ubuntu0.2.md) | Jul 11, 2023 |
| Linux | tang Ubuntu 22.04.1 LTS (jammy) | 11-1ubuntu0.1 | [tang 11-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-tang-11-1ubuntu0.1.md) | Jul 11, 2023 |
| Linux | tang almalinux 8 | 7-8.el8 | [ALSA-2023:7022](https://patchblox.com/security/data/fix/linux/alsa-2023-7022.md) | Nov 14, 2023 |
| Linux | tang almalinux 9 | 14-2.el9 | [ALSA-2023:6492](https://patchblox.com/security/data/fix/linux/alsa-2023-6492.md) | Nov 7, 2023 |
| Linux | tang ol 8 | 0:7-8.el8 | [ELSA-2023-7022](https://patchblox.com/security/data/fix/linux/elsa-2023-7022.md) | Nov 17, 2023 |
| Linux | tang ol 9 | 0:14-2.el9 | [ELSA-2023-6492](https://patchblox.com/security/data/fix/linux/elsa-2023-6492.md) | Nov 11, 2023 |
| Linux | tang rocky 8 | 0:7-8.el8 | [RLSA-2023:7022](https://patchblox.com/security/data/fix/linux/rlsa-2023-7022.md) | Nov 7, 2026 |
| Linux | tang-common Ubuntu 22.04.1 LTS (jammy) | 11-1ubuntu0.1 | [tang-common 11-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-tang-common-11-1ubuntu0.1.md) | Jul 11, 2023 |
| Linux | tang-nagios Ubuntu 18.04.6 LTS (bionic) | 6-1ubuntu0.1~esm1 | [tang-nagios 6-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tang-nagios-6-1ubuntu0.1-esm1.md) | Jul 11, 2023 |
| Linux | tang-xinetd Ubuntu 22.04.1 LTS (jammy) | 11-1ubuntu0.1 | [tang-xinetd 11-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-tang-xinetd-11-1ubuntu0.1.md) | Jul 11, 2023 |

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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

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