# CVE-2022-3370: Chromium: CVE-2022-3370 Use after free in Custom Elements

CVE-2022-3370 is fixed in 8 products on 2 platforms, first by DSA-5245-1, released October 2, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-3370
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0099
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 2, 2022
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-3370

## Description

<p>This CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/2022">Google Chrome Releases</a> for more information.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Microsoft Edge Beta | 127.0.2651.8 | [Microsoft Edge Beta 127.0.2651.8](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.beta-127.0.2651.8.md) | Jun 21, 2024 |
| Windows apps | Microsoft Edge Dev | 127.0.2651.8 | [Microsoft Edge Dev 127.0.2651.8](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.dev-127.0.2651.8.md) | Jun 21, 2024 |
| Linux | chromium Debian 11.6 (bullseye) | 106.0.5249.91-1~deb11u1 | [DSA-5245-1](https://patchblox.com/security/data/fix/linux/dsa-5245-1.md) | Oct 2, 2022 |
| Linux | chromium Debian 12.15 (bookworm) | 106.0.5249.91-1 | [DEBIAN-CVE-2022-3370](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3370.md) | Nov 1, 2022 |
| Linux | chromium Debian 13.5 (trixie) | 106.0.5249.91-1 | [DEBIAN-CVE-2022-3370](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3370.md) | Nov 1, 2022 |
| Linux | chromium Debian 14 | 106.0.5249.91-1 | [DEBIAN-CVE-2022-3370](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3370.md) | Nov 1, 2022 |
| Linux | chromium-browser Ubuntu 18.04.6 LTS (bionic) | 107.0.5304.87-0ubuntu11.18.04.1 | [chromium-browser 107.0.5304.87-0ubuntu11.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-browser-107.0.5304.87-0ubuntu11.18.04.1.md) | Jan 2, 2023 |
| Linux | chromium-browser-l10n Ubuntu 18.04.6 LTS (bionic) | 107.0.5304.87-0ubuntu11.18.04.1 | [chromium-browser-l10n 107.0.5304.87-0ubuntu11.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-browser-l10n-107.0.5304.87-0ubuntu11.18.04.1.md) | Jan 2, 2023 |
| Linux | chromium-chromedriver Ubuntu 18.04.6 LTS (bionic) | 107.0.5304.87-0ubuntu11.18.04.1 | [chromium-chromedriver 107.0.5304.87-0ubuntu11.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-chromedriver-107.0.5304.87-0ubuntu11.18.04.1.md) | Jan 2, 2023 |
| Linux | chromium-codecs-ffmpeg Ubuntu 18.04.6 LTS (bionic) | 107.0.5304.87-0ubuntu11.18.04.1 | [chromium-codecs-ffmpeg 107.0.5304.87-0ubuntu11.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-107.0.5304.87-0ubuntu11.18.04.1.md) | Jan 2, 2023 |
| Linux | chromium-codecs-ffmpeg-extra Ubuntu 18.04.6 LTS (bionic) | 107.0.5304.87-0ubuntu11.18.04.1 | [chromium-codecs-ffmpeg-extra 107.0.5304.87-0ubuntu11.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-extra-107.0.5304.87-0ubuntu11.18.04.1.md) | Jan 2, 2023 |

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