# CVE-2019-11754: Firefox ESR: When the pointer lock is enabled by a website though requestPointerLock(), no user notification is given.

CVE-2019-11754 is fixed in 4 products on 2 platforms, first by firefox 69.0.1+build1-0ubuntu0.18.04.1, released September 18, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-11754
- Priority: Routine
- CVSS: 4.3 (Medium)
- EPSS: 0.0062
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 18, 2019
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-11754

## Description

When the pointer lock is enabled by a website though requestPointerLock(), no user notification is given. This could allow a malicious website to hijack the mouse pointer and confuse users. This vulnerability affects Firefox < 69.0.1.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Mozilla Firefox ESR (en-US) | 78.0esr | [Mozilla Firefox ESR (en-US) 78.0esr](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-78.0esr.md) | Jun 25, 2020 |
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 69.0.1+build1-0ubuntu0.18.04.1 | [firefox 69.0.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-69.0.1-build1-0ubuntu0.18.04.1.md) | Sep 18, 2019 |
| Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 69.0.1+build1-0ubuntu0.18.04.1 | [firefox-geckodriver 69.0.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-69.0.1-build1-0ubuntu0.18.04.1.md) | Sep 18, 2019 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 69.0.1+build1-0ubuntu0.18.04.1 | [firefox-mozsymbols 69.0.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-69.0.1-build1-0ubuntu0.18.04.1.md) | Sep 18, 2019 |

---

Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.