# thunderbird 1:68.10.0+build1-0ubuntu0.18.04.1: thunderbird 1:68.10.0+build1-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)

thunderbird 1:68.10.0+build1-0ubuntu0.18.04.1, released October 8, 2020, fixes 11 CVEs in thunderbird. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-1-68.10.0-build1-0ubuntu0.18.04.1
- Platform: Linux
- Released: Oct 8, 2020
- Priority: High (Closes CVE-2020-12417, high severity)
- CVEs: 11, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | Ubuntu 18.04.6 LTS (bionic) | 1:68.10.0+build1-0ubuntu0.18.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-12417](https://patchblox.com/security/data/cve/CVE-2020-12417.md) | High | Firefox ESR: Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier,… | 8.8 | 0.0268 |  |
| [CVE-2020-12419](https://patchblox.com/security/data/cve/CVE-2020-12419.md) | High | Firefox ESR: When processing callbacks that occurred during window flushing in the parent process, the associated… | 8.8 | 0.0232 |  |
| [CVE-2020-12420](https://patchblox.com/security/data/cve/CVE-2020-12420.md) | High | Firefox ESR: When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer,… | 8.8 | 0.0186 |  |
| [CVE-2020-12410](https://patchblox.com/security/data/cve/CVE-2020-12410.md) | High | Firefox ESR: Mozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. | 8.8 | 0.0173 |  |
| [CVE-2020-12406](https://patchblox.com/security/data/cve/CVE-2020-12406.md) | High | Firefox ESR: Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting… | 8.8 | 0.0102 |  |
| [CVE-2020-12398](https://patchblox.com/security/data/cve/CVE-2020-12398.md) | High | thunderbird: ELSA-2020-2614: thunderbird security update (IMPORTANT) | 7.5 | 0.0098 |  |
| [CVE-2020-12418](https://patchblox.com/security/data/cve/CVE-2020-12418.md) | Routine | Firefox ESR: Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process… | 6.5 | 0.0303 |  |
| [CVE-2020-12421](https://patchblox.com/security/data/cve/CVE-2020-12421.md) | Routine | Firefox ESR: When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even… | 6.5 | 0.0184 |  |
| [CVE-2020-12405](https://patchblox.com/security/data/cve/CVE-2020-12405.md) | Routine | Firefox ESR: When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a… | 5.3 | 0.0135 |  |
| [CVE-2020-15646](https://patchblox.com/security/data/cve/CVE-2020-15646.md) | Routine | thunderbird: If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchan... | 5.9 | 0.0096 |  |
| [CVE-2020-12399](https://patchblox.com/security/data/cve/CVE-2020-12399.md) | Routine | Firefox ESR: NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually… | 4.4 | 0.0065 |  |

---

Data as of 2026-11-13T08:00:37Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.