# libvirt-ssh-proxy 12.0.0-1ubuntu5.5: libvirt-ssh-proxy 12.0.0-1ubuntu5.5 for Ubuntu 26.04.1 LTS (resolute)

libvirt-ssh-proxy 12.0.0-1ubuntu5.5, released September 11, 2026, fixes 2 CVEs in libvirt-ssh-proxy. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-resolute-libvirt-ssh-proxy-12.0.0-1ubuntu5.5
- Platform: Linux
- Released: Sep 11, 2026
- Priority: High (Closes CVE-2026-18917, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libvirt-ssh-proxy](https://patchblox.com/security/data/product/linux/libvirt-ssh-proxy.md) | Ubuntu 26.04.1 LTS (resolute) | 12.0.0-1ubuntu5.5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-18917](https://patchblox.com/security/data/cve/CVE-2026-18917.md) | High | Libvirt: integer overflow in nodegetfreepages rpc handler leading to heap buffer overflow | 7.8 | 0.0018 |  |
| [CVE-2026-77159](https://patchblox.com/security/data/cve/CVE-2026-77159.md) | Routine | Libvirt: unsafe chown in qemutpmemulatorpreparehost() allows arbitrary file ownership change via symlink | 5.5 | 0.0016 |  |

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Data as of 2026-11-11T13:47:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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