# CVE-2021-30529: Chromium: CVE-2021-30529 Use after free in Bookmarks

CVE-2021-30529 is fixed in 5 products on 1 platform, first by chromium-browser 91.0.4472.77-0ubuntu0.18.04.1, released January 2, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-30529
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0100
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 27, 2021
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30529

## 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/2021">Google Chrome Releases</a> for more information</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | chromium-browser Ubuntu 18.04.6 LTS (bionic) | 91.0.4472.77-0ubuntu0.18.04.1 | [chromium-browser 91.0.4472.77-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-browser-91.0.4472.77-0ubuntu0.18.04.1.md) | Jan 2, 2023 |
| Linux | chromium-browser-l10n Ubuntu 18.04.6 LTS (bionic) | 91.0.4472.77-0ubuntu0.18.04.1 | [chromium-browser-l10n 91.0.4472.77-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-browser-l10n-91.0.4472.77-0ubuntu0.18.04.1.md) | Jan 2, 2023 |
| Linux | chromium-chromedriver Ubuntu 18.04.6 LTS (bionic) | 91.0.4472.77-0ubuntu0.18.04.1 | [chromium-chromedriver 91.0.4472.77-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-chromedriver-91.0.4472.77-0ubuntu0.18.04.1.md) | Jan 2, 2023 |
| Linux | chromium-codecs-ffmpeg Ubuntu 18.04.6 LTS (bionic) | 91.0.4472.77-0ubuntu0.18.04.1 | [chromium-codecs-ffmpeg 91.0.4472.77-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-91.0.4472.77-0ubuntu0.18.04.1.md) | Jan 2, 2023 |
| Linux | chromium-codecs-ffmpeg-extra Ubuntu 18.04.6 LTS (bionic) | 91.0.4472.77-0ubuntu0.18.04.1 | [chromium-codecs-ffmpeg-extra 91.0.4472.77-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-extra-91.0.4472.77-0ubuntu0.18.04.1.md) | Jan 2, 2023 |

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