# DSA-5543-1: open-vm-tools security update

DSA-5543-1, released October 31, 2023, fixes 1 CVE in open-vm-tools. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/dsa-5543-1
- Platform: Linux
- Released: Oct 31, 2023
- Priority: High (Closes CVE-2023-34058, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-34058

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [open-vm-tools](https://patchblox.com/security/data/product/linux/open-vm-tools.md) | Debian 11.6 (bullseye) | 2:11.2.5-2+deb11u3 |
| [open-vm-tools](https://patchblox.com/security/data/product/linux/open-vm-tools.md) | Debian 12.15 (bookworm) | 2:12.2.0-1+deb12u2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-34058](https://patchblox.com/security/data/cve/CVE-2023-34058.md) | High | open-vm-tools: VMware Tools contains a SAML token signature bypass vulnerability. A malicious actor that has been granted  Guest Ope... | 7.5 | 0.0081 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo