# chromium-browser 91.0.4472.101-0ubuntu0.18.04.1: chromium-browser 91.0.4472.101-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)

chromium-browser 91.0.4472.101-0ubuntu0.18.04.1, released June 15, 2021, fixes 12 CVEs in chromium-browser. One of them is being exploited (CVE-2021-30551); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-browser-91.0.4472.101-0ubuntu0.18.04.1
- Platform: Linux
- Released: Jun 15, 2021
- Priority: Patch now (Closes CVE-2021-30551, exploited (CISA KEV))
- CVEs: 12, exploited: 1, on CISA KEV: 1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [chromium-browser](https://patchblox.com/security/data/product/linux/chromium-browser.md) | Ubuntu 18.04.6 LTS (bionic) | 91.0.4472.101-0ubuntu0.18.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-30551](https://patchblox.com/security/data/cve/CVE-2021-30551.md) | Patch now | Chromium: CVE-2021-30551 Type Confusion in V8 | n/a | 0.6470 | CISA KEV |
| [CVE-2021-30547](https://patchblox.com/security/data/cve/CVE-2021-30547.md) | High | Chromium: CVE-2021-30547 Out of bounds write in ANGLE | 8.8 | 0.0361 |  |
| [CVE-2021-30544](https://patchblox.com/security/data/cve/CVE-2021-30544.md) | Routine | Chromium: CVE-2021-30544 Use after free in BFCache | n/a | 0.0124 |  |
| [CVE-2021-30548](https://patchblox.com/security/data/cve/CVE-2021-30548.md) | Routine | Chromium: CVE-2021-30548 Use after free in Loader | n/a | 0.0117 |  |
| [CVE-2021-30553](https://patchblox.com/security/data/cve/CVE-2021-30553.md) | Routine | Chromium: CVE-2021-30553 Use after free in Network service | n/a | 0.0117 |  |
| [CVE-2021-30545](https://patchblox.com/security/data/cve/CVE-2021-30545.md) | Routine | Chromium: CVE-2021-30545 Use after free in Extensions | n/a | 0.0110 |  |
| [CVE-2021-30546](https://patchblox.com/security/data/cve/CVE-2021-30546.md) | Routine | Chromium: CVE-2021-30546 Use after free in Autofill | n/a | 0.0110 |  |
| [CVE-2021-30552](https://patchblox.com/security/data/cve/CVE-2021-30552.md) | Routine | Chromium: CVE-2021-30552 Use after free in Extensions | n/a | 0.0098 |  |
| [CVE-2021-30549](https://patchblox.com/security/data/cve/CVE-2021-30549.md) | Routine | Chromium: CVE-2021-30549 Use after free in Spell check | n/a | 0.0093 |  |
| [CVE-2021-30550](https://patchblox.com/security/data/cve/CVE-2021-30550.md) | Routine | Chromium: CVE-2021-30550 Use after free in Accessibility | n/a | 0.0087 |  |
| [CVE-2021-30542](https://patchblox.com/security/data/cve/CVE-2021-30542.md) | Routine | chromium-browser: Use after free in Tab Strip in Google Chrome prior to 91.0.4472.77 allowed an attacker who convinced a user to instal... | n/a | 0.0079 |  |
| [CVE-2021-30543](https://patchblox.com/security/data/cve/CVE-2021-30543.md) | Routine | chromium-browser: Use after free in Tab Strip in Google Chrome prior to 91.0.4472.77 allowed an attacker who convinced a user to instal... | n/a | 0.0079 |  |

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Data as of 2026-11-13T01:58:51Z 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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