# CVE-2026-32854: LibVNCServer: crafted HTTP requests can cause a denial of service (bsc#1260429).

CVE-2026-32854 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2026-32854, released March 24, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-32854
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0553
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 24, 2026

## Description

crafted HTTP requests can cause a denial of service (bsc#1260429).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | LibVNCServer opensuse-leap 15.6 | 0.9.14-150600.3.6.1 | [SUSE-SU-2026:1173-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1173-1.md) | Apr 2, 2026 |
| Linux | LibVNCServer opensuse-leap 16.0 | 0.9.14-160000.4.1 | [OPENSUSE-SU-2026:20552-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20552-1.md) | Apr 16, 2026 |
| Linux | LibVNCServer sles 15.7 | 0.9.14-150600.3.6.1 | [SUSE-SU-2026:1173-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1173-1.md) | Apr 2, 2026 |
| Linux | LibVNCServer sles 16.0 | 0.9.14-160000.4.1 | [SUSE-SU-2026:21206-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21206-1.md) | Apr 16, 2026 |
| Linux | libvncclient1 Ubuntu 22.04.1 LTS (jammy) | 0.9.13+dfsg-3ubuntu0.1 | [libvncclient1 0.9.13+dfsg-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libvncclient1-0.9.13-dfsg-3ubuntu0.1.md) | Jun 24, 2026 |
| Linux | libvncclient1 Ubuntu 24.04.5 LTS (noble) | 0.9.14+dfsg-1ubuntu0.1 | [libvncclient1 0.9.14+dfsg-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libvncclient1-0.9.14-dfsg-1ubuntu0.1.md) | Jun 24, 2026 |
| Linux | libvncclient1 Ubuntu 25.10 (questing) | 0.9.15+dfsg-1ubuntu0.1 | [libvncclient1 0.9.15+dfsg-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libvncclient1-0.9.15-dfsg-1ubuntu0.1.md) | Jun 24, 2026 |
| Linux | libvncserver Debian 12.15 (bookworm) | 0.9.14+dfsg-1+deb12u1 | [DEBIAN-CVE-2026-32854](https://patchblox.com/security/data/fix/linux/debian-cve-2026-32854.md) | Mar 24, 2026 |
| Linux | libvncserver Debian 13.5 (trixie) | 0.9.15+dfsg-1+deb13u1 | [DEBIAN-CVE-2026-32854](https://patchblox.com/security/data/fix/linux/debian-cve-2026-32854.md) | Mar 24, 2026 |
| Linux | libvncserver Debian 14 | 0.9.15+dfsg-3 | [DEBIAN-CVE-2026-32854](https://patchblox.com/security/data/fix/linux/debian-cve-2026-32854.md) | Mar 24, 2026 |
| Linux | libvncserver1 Ubuntu 22.04.1 LTS (jammy) | 0.9.13+dfsg-3ubuntu0.1 | [libvncserver1 0.9.13+dfsg-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libvncserver1-0.9.13-dfsg-3ubuntu0.1.md) | Jun 24, 2026 |
| Linux | libvncserver1 Ubuntu 24.04.5 LTS (noble) | 0.9.14+dfsg-1ubuntu0.1 | [libvncserver1 0.9.14+dfsg-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libvncserver1-0.9.14-dfsg-1ubuntu0.1.md) | Jun 24, 2026 |
| Linux | libvncserver1 Ubuntu 25.10 (questing) | 0.9.15+dfsg-1ubuntu0.1 | [libvncserver1 0.9.15+dfsg-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libvncserver1-0.9.15-dfsg-1ubuntu0.1.md) | Jun 24, 2026 |

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Data as of 2026-11-11T01:43:54Z 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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