---
title: "CVE-2019-19010\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-2019-19010?format=md
keywords: index, follow
---

# CVE-2019-19010

Publication date 16 November 2019

Last updated 26 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**9.8 · Critical**

[Score breakdown](https://ubuntu.com/security/CVE-2019-19010?format=md#impact-score)

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## Description

Eval injection in the Math plugin of Limnoria (before 2019.11.09) and
Supybot (through 2018-05-09) allows remote unprivileged attackers to
disclose information or possibly have unspecified other impact via the calc
and icalc IRC commands.

## Mitigation

Unload the Math plugin (command: @unload Math)
Disable these commands for all users (commands: @defaultcapability add
-Math.calc @defaultcapability add -Math.icalc @defaultcapability add
-Math.rpn)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| limnoria | 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 | Not affected |
| 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)
* [Patch details](https://ubuntu.com/security/CVE-2019-19010?format=md#patch-details)

### 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 |
| --- | --- |
| limnoria | * Upstream:   [3848ae7](https://github.com/ProgVal/Limnoria/commit/3848ae78de45b35c029cc333963d436b9d2f0a35) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

9.8 · Critical

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 9.8 · Critical |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19010)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-19010)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-19010)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-19010)

### Other references

* <https://github.com/ProgVal/Limnoria/wiki/math-eval-vulnerability>
* <https://www.cve.org/CVERecord?id=CVE-2019-19010>