---
title: "CVE-2019-19451\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-2019-19451?format=md
keywords: index, follow
---

# CVE-2019-19451

Publication date 29 November 2019

Last updated 11 July 2025

---

Ubuntu priority

**Low**

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

## Cvss 3 Severity Score

**5.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-19451?format=md#impact-score)

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## Description

When GNOME Dia before 2019-11-27 is launched with a filename argument that
is not a valid codepoint in the current encoding, it enters an endless
loop, thus endlessly writing text to stdout. If this launch is from a
thumbnailer service, this output will usually be written to disk via the
system's logging facility (potentially with elevated privileges), thus
filling up the disk and eventually rendering the system unusable. (The
filename can be for a nonexistent file.) NOTE: this does not affect an
upstream release, but affects certain Linux distribution packages with
version numbers such as 0.97.3.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2019-19451?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| dia | 26.04 LTS resolute | Vulnerable |
| 25.10 questing | Ignored end of life, was needed |
| 25.04 plucky | Ignored end of life, was needed |
| 24.10 oracular | Ignored end of life, was needed |
| 24.04 LTS noble | Vulnerable |
| 23.10 mantic | Ignored end of life, was needed |
| 23.04 lunar | Ignored end of life, was needed |
| 22.10 kinetic | Ignored end of life, was needed |
| 22.04 LTS jammy | Vulnerable |
| 21.10 impish | Ignored end of life |
| 21.04 hirsute | Ignored end of life |
| 20.10 groovy | Ignored end of life |
| 20.04 LTS focal | Vulnerable |
| 19.10 eoan | Ignored end of life |
| 19.04 disco | Ignored end of life |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Needs evaluation |
| 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)
* [Patch details](https://ubuntu.com/security/CVE-2019-19451?format=md#patch-details)

## Notes

---

### [leosilva](https://launchpad.net/~leosilva)

introduced by https://gitlab.gnome.org/GNOME/dia/-/commit/9a5f438d4b3e718c8ab0efe01d08ee2c3a0d9a86

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| dia | * Upstream:   [b0a8c2a](https://gitlab.gnome.org/GNOME/dia/-/commit/b0a8c2ac439e6fbf7862e793fa378a8f2e66c624) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.5 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19451)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-19451)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-19451)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-19451)

### Other references

* <https://gitlab.gnome.org/GNOME/dia/issues/428>
* <https://www.cve.org/CVERecord?id=CVE-2019-19451>