# CVE-2022-29915: Mozilla Firefox ESR and 2 others: Origin Validation Error

CVE-2022-29915 is fixed in 5 products on 2 platforms, first by firefox 100.0+build2-0ubuntu0.18.04.1, released May 6, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-29915
- Priority: Routine
- CVSS: 4.3 (Low)
- EPSS: 0.0030
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 6, 2022
- Weakness: CWE-346: Origin Validation Error
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-29915

## Description

The Performance API did not properly hide the fact whether a request cross-origin resource has observed redirects. This vulnerability affects Firefox < 100.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Mozilla Firefox (en-US) | 100.0.1 | [Mozilla Firefox (en-US) 100.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-100.0.1.md) | May 19, 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) | 100.0+build2-0ubuntu0.18.04.1 | [firefox 100.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-100.0-build2-0ubuntu0.18.04.1.md) | May 6, 2022 |
| Linux | firefox Ubuntu 20.04 LTS (focal) | 100.0+build2-0ubuntu0.20.04.1 | [firefox 100.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-100.0-build2-0ubuntu0.20.04.1.md) | May 6, 2022 |
| Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 100.0+build2-0ubuntu0.18.04.1 | [firefox-geckodriver 100.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-100.0-build2-0ubuntu0.18.04.1.md) | May 6, 2022 |
| Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 100.0+build2-0ubuntu0.20.04.1 | [firefox-geckodriver 100.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-100.0-build2-0ubuntu0.20.04.1.md) | May 6, 2022 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 100.0+build2-0ubuntu0.18.04.1 | [firefox-mozsymbols 100.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-100.0-build2-0ubuntu0.18.04.1.md) | May 6, 2022 |
| Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 100.0+build2-0ubuntu0.20.04.1 | [firefox-mozsymbols 100.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-100.0-build2-0ubuntu0.20.04.1.md) | May 6, 2022 |

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Data as of 2026-11-08T19:12:23Z 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

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