---
title: "CVE-2018-19216\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-2018-19216?format=md
keywords: index, follow
---

# CVE-2018-19216

Publication date 12 November 2018

Last updated 11 July 2025

---

Ubuntu priority

**Low**

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

## Cvss 3 Severity Score

**7.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2018-19216?format=md#impact-score)

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## Description

Netwide Assembler (NASM) before 2.13.02 has a use-after-free in detoken at
asm/preproc.c.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2018-19216?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| nasm | 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 |
| 18.10 cosmic | Ignored end of life |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Vulnerable |
| 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-2018-19216?format=md#patch-details)

## Notes

---

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

Something is not correct about this CVE, the upstream bug is 3392425,
but commit references 3392525, and the former is really fixed in 2.13.02 but
the latter is unfixed in 2.13.02 and even 2.13.03.

### 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 |
| --- | --- |
| nasm | * Upstream:   [4b5b737](https://repo.or.cz/nasm.git/commit/4b5b737d4991578b1918303dc0fd9c9ab5c7ce4f) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.8 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.8 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19216)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-19216)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-19216)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-19216)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2018-19216>