# thunderbird 1:68.4.1+build1-0ubuntu0.18.04.1: thunderbird 1:68.4.1+build1-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)

thunderbird 1:68.4.1+build1-0ubuntu0.18.04.1, released January 8, 2020, fixes 11 CVEs in thunderbird. One of them is being exploited (CVE-2019-17026); 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-thunderbird-1-68.4.1-build1-0ubuntu0.18.04.1
- Platform: Linux
- Released: Jan 8, 2020
- Priority: Patch now (Closes CVE-2019-17026, exploited (CISA KEV))
- CVEs: 11, exploited: 1, on CISA KEV: 1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | Ubuntu 18.04.6 LTS (bionic) | 1:68.4.1+build1-0ubuntu0.18.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-17026](https://patchblox.com/security/data/cve/CVE-2019-17026.md) | Patch now | Mozilla Firefox And Thunderbird Type Confusion Vulnerability | 8.8 | 0.4631 | CISA KEV |
| [CVE-2019-17017](https://patchblox.com/security/data/cve/CVE-2019-17017.md) | Urgent | Firefox ESR: Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in… | 8.8 | 0.0249 |  |
| [CVE-2019-17024](https://patchblox.com/security/data/cve/CVE-2019-17024.md) | Urgent | Firefox ESR: Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. | 8.8 | 0.0246 |  |
| [CVE-2019-17016](https://patchblox.com/security/data/cve/CVE-2019-17016.md) | Urgent | Firefox ESR: When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly… | 6.1 | 0.0199 |  |
| [CVE-2019-17022](https://patchblox.com/security/data/cve/CVE-2019-17022.md) | Urgent | Firefox ESR: When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer does not… | 6.1 | 0.0199 |  |
| [CVE-2019-17012](https://patchblox.com/security/data/cve/CVE-2019-17012.md) | Urgent | Firefox ESR: Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. | 8.8 | 0.0197 |  |
| [CVE-2019-17005](https://patchblox.com/security/data/cve/CVE-2019-17005.md) | Urgent | Firefox ESR: The plain text serializer used a fixed-size array for the number of <ol> elements it could process; however… | 8.8 | 0.0191 |  |
| [CVE-2019-17008](https://patchblox.com/security/data/cve/CVE-2019-17008.md) | Urgent | Firefox ESR: When using nested workers, a use-after-free could occur during worker destruction. | 8.8 | 0.0188 |  |
| [CVE-2019-17010](https://patchblox.com/security/data/cve/CVE-2019-17010.md) | Urgent | Firefox ESR: Under certain conditions, when checking the Resist Fingerprinting preference during device orientation… | 7.5 | 0.0152 |  |
| [CVE-2019-17011](https://patchblox.com/security/data/cve/CVE-2019-17011.md) | Urgent | Firefox ESR: Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race… | 7.5 | 0.0152 |  |
| [CVE-2019-11745](https://patchblox.com/security/data/cve/CVE-2019-11745.md) | High | nss: ELSA-2019-4114: nss security update (IMPORTANT) | 8.8 | 0.0299 |  |

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Data as of 2026-11-13T20:04:13Z 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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