# firefox-testsuite 63.0+build2-0ubuntu0.18.04.2: firefox-testsuite 63.0+build2-0ubuntu0.18.04.2 for Ubuntu 18.04.6 LTS (bionic)

firefox-testsuite 63.0+build2-0ubuntu0.18.04.2, released October 23, 2018, fixes 12 CVEs in firefox-testsuite. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-testsuite-63.0-build2-0ubuntu0.18.04.2
- Platform: Linux
- Released: Oct 23, 2018
- Priority: Routine (Closes 12 CVEs, none high severity)
- CVEs: 12, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox-testsuite](https://patchblox.com/security/data/product/linux/firefox-testsuite.md) | Ubuntu 18.04.6 LTS (bionic) | 63.0+build2-0ubuntu0.18.04.2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2018-12393](https://patchblox.com/security/data/cve/CVE-2018-12393.md) | Routine | firefox: A potential vulnerability was found in 32-bit builds where an integer overflow during the conversion of scripts to an... | n/a | 0.0392 |  |
| [CVE-2018-12392](https://patchblox.com/security/data/cve/CVE-2018-12392.md) | Routine | firefox: When manipulating user events in nested loops while opening a document through script, it is possible to trigger a po... | n/a | 0.0343 |  |
| [CVE-2018-12390](https://patchblox.com/security/data/cve/CVE-2018-12390.md) | Routine | firefox: Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2 | n/a | 0.0321 |  |
| [CVE-2018-12395](https://patchblox.com/security/data/cve/CVE-2018-12395.md) | Routine | firefox: By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions throug... | n/a | 0.0285 |  |
| [CVE-2018-12401](https://patchblox.com/security/data/cve/CVE-2018-12401.md) | Routine | firefox: Some special resource URIs will cause a non-exploitable crash if loaded with optional parameters following a '?' in t... | n/a | 0.0251 |  |
| [CVE-2018-12396](https://patchblox.com/security/data/cve/CVE-2018-12396.md) | Routine | firefox-testsuite: A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events | n/a | 0.0227 |  |
| [CVE-2018-12403](https://patchblox.com/security/data/cve/CVE-2018-12403.md) | Routine | firefox: If a site is loaded over a HTTPS connection but loads a favicon resource over HTTP, the mixed content warning is not... | n/a | 0.0206 |  |
| [CVE-2018-12398](https://patchblox.com/security/data/cve/CVE-2018-12398.md) | Routine | firefox: By using the reflected URL in some special resource URIs, such as chrome:, it is possible to inject stylesheets and b... | n/a | 0.0162 |  |
| [CVE-2018-12399](https://patchblox.com/security/data/cve/CVE-2018-12399.md) | Routine | firefox: When a new protocol handler is registered, the API accepts a title argument which can be used to mislead users about... | n/a | 0.0157 |  |
| [CVE-2018-12402](https://patchblox.com/security/data/cve/CVE-2018-12402.md) | Routine | firefox: The internal WebBrowserPersist code does not use correct origin context for a resource being saved | n/a | 0.0152 |  |
| [CVE-2018-12388](https://patchblox.com/security/data/cve/CVE-2018-12388.md) | Routine | firefox: Mozilla developers and community members reported memory safety bugs present in Firefox 62 | n/a | 0.0143 |  |
| [CVE-2018-12397](https://patchblox.com/security/data/cve/CVE-2018-12397.md) | Routine | firefox: A WebExtension can request access to local files without the warning prompt stating that the extension will "Access y... | n/a | 0.0037 |  |

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