# CVE-2022-38475: Mozilla Firefox and 2 others: Incorrect Authorization

CVE-2022-38475 is fixed in 11 products on 2 platforms, first by firefox 104.0+build3-0ubuntu0.18.04.1, released August 23, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-38475
- Priority: Routine
- CVSS: 6.5 (Medium)
- EPSS: 0.0045
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 23, 2022
- Weakness: CWE-863: Incorrect Authorization
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-38475

## Description

An attacker could have written a value to the first element in a zero-length JavaScript array. Although the array was zero-length, the value was not written to an invalid memory address. This vulnerability affects Firefox < 104.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Mozilla Firefox (en-US) | 104.0 | [Mozilla Firefox (en-US) 104.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-104.0.md) | Aug 24, 2022 |
| Windows apps | Mozilla Firefox ESR (en-US) | 115.4.0 | [Mozilla Firefox ESR (en-US) 115.4.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-115.4.0.md) | Oct 17, 2023 |
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 104.0+build3-0ubuntu0.18.04.1 | [firefox 104.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-104.0-build3-0ubuntu0.18.04.1.md) | Aug 23, 2022 |
| Linux | firefox Ubuntu 20.04 LTS (focal) | 104.0+build3-0ubuntu0.20.04.1 | [firefox 104.0+build3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-104.0-build3-0ubuntu0.20.04.1.md) | Aug 23, 2022 |
| Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 104.0+build3-0ubuntu0.18.04.1 | [firefox-geckodriver 104.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-104.0-build3-0ubuntu0.18.04.1.md) | Aug 23, 2022 |
| Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 104.0+build3-0ubuntu0.20.04.1 | [firefox-geckodriver 104.0+build3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-104.0-build3-0ubuntu0.20.04.1.md) | Aug 23, 2022 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 104.0+build3-0ubuntu0.18.04.1 | [firefox-mozsymbols 104.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-104.0-build3-0ubuntu0.18.04.1.md) | Aug 23, 2022 |
| Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 104.0+build3-0ubuntu0.20.04.1 | [firefox-mozsymbols 104.0+build3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-104.0-build3-0ubuntu0.20.04.1.md) | Aug 23, 2022 |
| Linux | thunderbird Ubuntu 20.04 LTS (focal) | 1:102.2.2+build1-0ubuntu0.20.04.1 | [thunderbird 1:102.2.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-1-102.2.2-build1-0ubuntu0.20.04.1.md) | Dec 22, 2022 |
| Linux | thunderbird Ubuntu 22.04.1 LTS (jammy) | 1:102.2.2+build1-0ubuntu0.22.04.1 | [thunderbird 1:102.2.2+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-1-102.2.2-build1-0ubuntu0.22.04.1.md) | Dec 22, 2022 |
| Linux | thunderbird-gnome-support Ubuntu 20.04 LTS (focal) | 1:102.2.2+build1-0ubuntu0.20.04.1 | [thunderbird-gnome-support 1:102.2.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-102.2.2-build1-0ubuntu0.20.04.1.md) | Dec 22, 2022 |
| Linux | thunderbird-gnome-support Ubuntu 22.04.1 LTS (jammy) | 1:102.2.2+build1-0ubuntu0.22.04.1 | [thunderbird-gnome-support 1:102.2.2+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-102.2.2-build1-0ubuntu0.22.04.1.md) | Dec 22, 2022 |
| Linux | thunderbird-mozsymbols Ubuntu 20.04 LTS (focal) | 1:102.2.2+build1-0ubuntu0.20.04.1 | [thunderbird-mozsymbols 1:102.2.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-102.2.2-build1-0ubuntu0.20.04.1.md) | Dec 22, 2022 |
| Linux | thunderbird-mozsymbols Ubuntu 22.04.1 LTS (jammy) | 1:102.2.2+build1-0ubuntu0.22.04.1 | [thunderbird-mozsymbols 1:102.2.2+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-102.2.2-build1-0ubuntu0.22.04.1.md) | Dec 22, 2022 |
| Linux | xul-ext-calendar-timezones Ubuntu 20.04 LTS (focal) | 1:102.2.2+build1-0ubuntu0.20.04.1 | [xul-ext-calendar-timezones 1:102.2.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-102.2.2-build1-0ubuntu0.20.04.1.md) | Dec 22, 2022 |
| Linux | xul-ext-calendar-timezones Ubuntu 22.04.1 LTS (jammy) | 1:102.2.2+build1-0ubuntu0.22.04.1 | [xul-ext-calendar-timezones 1:102.2.2+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-102.2.2-build1-0ubuntu0.22.04.1.md) | Dec 22, 2022 |
| Linux | xul-ext-gdata-provider Ubuntu 20.04 LTS (focal) | 1:102.2.2+build1-0ubuntu0.20.04.1 | [xul-ext-gdata-provider 1:102.2.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-102.2.2-build1-0ubuntu0.20.04.1.md) | Dec 22, 2022 |
| Linux | xul-ext-gdata-provider Ubuntu 22.04.1 LTS (jammy) | 1:102.2.2+build1-0ubuntu0.22.04.1 | [xul-ext-gdata-provider 1:102.2.2+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-102.2.2-build1-0ubuntu0.22.04.1.md) | Dec 22, 2022 |
| Linux | xul-ext-lightning Ubuntu 20.04 LTS (focal) | 1:102.2.2+build1-0ubuntu0.20.04.1 | [xul-ext-lightning 1:102.2.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-lightning-1-102.2.2-build1-0ubuntu0.20.04.1.md) | Dec 22, 2022 |
| Linux | xul-ext-lightning Ubuntu 22.04.1 LTS (jammy) | 1:102.2.2+build1-0ubuntu0.22.04.1 | [xul-ext-lightning 1:102.2.2+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-lightning-1-102.2.2-build1-0ubuntu0.22.04.1.md) | Dec 22, 2022 |

---

Data as of 2026-11-08T00:53:09Z 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.