---
title: "CVE-2019-15692\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2019-15692?format=md
keywords: index, follow
---

# CVE-2019-15692

Publication date 26 December 2019

Last updated 26 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**7.2 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2019-15692?format=md#impact-score)

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## Description

TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow.
Vulnerability could be triggered from CopyRectDecoder due to incorrect
value checks. Exploitation of this vulnerability could potentially result
into remote code execution. This attack appear to be exploitable via
network connectivity.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| tigervnc | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not affected |
| 25.04 plucky | Not affected |
| 24.10 oracular | Not affected |
| 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 23.04 lunar | Not affected |
| 22.10 kinetic | Not affected |
| 22.04 LTS jammy | Not affected |
| 21.10 impish | Not affected |
| 21.04 hirsute | Not affected |
| 20.10 groovy | Not affected |
| 20.04 LTS focal | Not affected |
| 19.10 eoan | Ignored end of life |
| 19.04 disco | Ignored end of life |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.2 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | High |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.2 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15692)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-15692)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-15692)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-15692)

### Other references

* <https://www.openwall.com/lists/oss-security/2019/12/20/2>
* <https://github.com/TigerVNC/tigervnc/commit/996356b6c65ca165ee1ea46a571c32a1dc3c3821 (master)>
* <https://github.com/TigerVNC/tigervnc/commit/ff08ca78b24b5a4ed5263245c7ce8744059ff4ad (v1.10.1)>
* <https://github.com/CendioOssman/tigervnc/commit/996356b6c65ca165ee1ea46a571c32a1dc3c3821>
* <https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1>
* <https://www.cve.org/CVERecord?id=CVE-2019-15692>