# libvncserver1 0.9.13+dfsg-3ubuntu0.1: libvncserver1 0.9.13+dfsg-3ubuntu0.1 for Ubuntu 22.04.1 LTS (jammy)

libvncserver1 0.9.13+dfsg-3ubuntu0.1, released June 24, 2026, fixes 4 CVEs in libvncserver1. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-jammy-libvncserver1-0.9.13-dfsg-3ubuntu0.1
- Platform: Linux
- Released: Jun 24, 2026
- Priority: High (Closes CVE-2026-32854, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libvncserver1](https://patchblox.com/security/data/product/linux/libvncserver1.md) | Ubuntu 22.04.1 LTS (jammy) | 0.9.13+dfsg-3ubuntu0.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-32854](https://patchblox.com/security/data/cve/CVE-2026-32854.md) | High | LibVNCServer: crafted HTTP requests can cause a denial of service (bsc#1260429). | 7.5 | 0.0553 |  |
| [CVE-2020-29260](https://patchblox.com/security/data/cve/CVE-2020-29260.md) | High | libvncserver: libvncclient v0.9.13 was discovered to contain a memory leak via the function rfbClientCleanup(). | 7.5 | 0.0113 |  |
| [CVE-2026-32853](https://patchblox.com/security/data/cve/CVE-2026-32853.md) | High | LibVNCServer: crafted FramebufferUpdate message can lead to information disclosure or denial of service (bsc#1260431). | 8.1 | 0.0046 |  |
| [CVE-2026-44988](https://patchblox.com/security/data/cve/CVE-2026-44988.md) | High | LibVNCServer: Fixed missing validation of rectangle width in tight gradient | 8.8 | 0.0024 |  |

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Data as of 2026-11-12T19:57:06Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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