# CVE-2022-34480: Mozilla Firefox and 2 others: Access of Uninitialized Pointer

CVE-2022-34480 is fixed in 13 products on 2 platforms, first by Mozilla Firefox ESR (en-US) 102.0, released June 23, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-34480
- Priority: High
- CVSS: 8.8 (Medium)
- EPSS: 0.0058
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 4, 2022
- Weakness: CWE-824: Access of Uninitialized Pointer
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-34480

## Description

Within the <code>lg_init()</code> function, if several allocations succeed but then one fails, an uninitialized pointer would have been freed despite never being allocated. This vulnerability affects Firefox < 102.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Mozilla Firefox (en-US) | 102.0 | [Mozilla Firefox (en-US) 102.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-102.0.md) | Jun 27, 2022 |
| Windows apps | Mozilla Firefox ESR (en-US) | 102.0 | [Mozilla Firefox ESR (en-US) 102.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-102.0.md) | Jun 23, 2022 |
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 102.0+build2-0ubuntu0.18.04.1 | [firefox 102.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-102.0-build2-0ubuntu0.18.04.1.md) | Jul 4, 2022 |
| Linux | firefox Ubuntu 20.04 LTS (focal) | 102.0+build2-0ubuntu0.20.04.1 | [firefox 102.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-102.0-build2-0ubuntu0.20.04.1.md) | Jul 4, 2022 |
| Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 102.0+build2-0ubuntu0.18.04.1 | [firefox-geckodriver 102.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-102.0-build2-0ubuntu0.18.04.1.md) | Jul 4, 2022 |
| Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 102.0+build2-0ubuntu0.20.04.1 | [firefox-geckodriver 102.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-102.0-build2-0ubuntu0.20.04.1.md) | Jul 4, 2022 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 102.0+build2-0ubuntu0.18.04.1 | [firefox-mozsymbols 102.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-102.0-build2-0ubuntu0.18.04.1.md) | Jul 4, 2022 |
| Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 102.0+build2-0ubuntu0.20.04.1 | [firefox-mozsymbols 102.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-102.0-build2-0ubuntu0.20.04.1.md) | Jul 4, 2022 |
| Linux | libnss3 Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.15 | [libnss3 2:3.35-2ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss3-2-3.35-2ubuntu2.15.md) | Jul 4, 2022 |
| Linux | libnss3 Ubuntu 20.04 LTS (focal) | 2:3.49.1-1ubuntu1.8 | [libnss3 2:3.49.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnss3-2-3.49.1-1ubuntu1.8.md) | Jul 4, 2022 |
| Linux | libnss3 Ubuntu 22.04.1 LTS (jammy) | 2:3.68.2-0ubuntu1.1 | [libnss3 2:3.68.2-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libnss3-2-3.68.2-0ubuntu1.1.md) | Jul 4, 2022 |
| Linux | libnss3-tools Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.15 | [libnss3-tools 2:3.35-2ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss3-tools-2-3.35-2ubuntu2.15.md) | Jul 4, 2022 |
| Linux | libnss3-tools Ubuntu 20.04 LTS (focal) | 2:3.49.1-1ubuntu1.8 | [libnss3-tools 2:3.49.1-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnss3-tools-2-3.49.1-1ubuntu1.8.md) | Jul 4, 2022 |
| Linux | libnss3-tools Ubuntu 22.04.1 LTS (jammy) | 2:3.68.2-0ubuntu1.1 | [libnss3-tools 2:3.68.2-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libnss3-tools-2-3.68.2-0ubuntu1.1.md) | Jul 4, 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 |

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