# firefox 79.0+build1-0ubuntu0.18.04.1: firefox 79.0+build1-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)

firefox 79.0+build1-0ubuntu0.18.04.1, released August 10, 2020, fixes 10 CVEs in firefox. 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-firefox-79.0-build1-0ubuntu0.18.04.1
- Platform: Linux
- Released: Aug 10, 2020
- Priority: High (Closes CVE-2020-6463, high severity)
- CVEs: 10, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox](https://patchblox.com/security/data/product/linux/firefox.md) | Ubuntu 18.04.6 LTS (bionic) | 79.0+build1-0ubuntu0.18.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-6463](https://patchblox.com/security/data/cve/CVE-2020-6463.md) | High | firefox: ELSA-2020-3241: firefox security update (IMPORTANT) | 8.8 | 0.0327 |  |
| [CVE-2020-15659](https://patchblox.com/security/data/cve/CVE-2020-15659.md) | High | Firefox ESR and 2 others: Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox… | 8.8 | 0.0239 |  |
| [CVE-2020-15656](https://patchblox.com/security/data/cve/CVE-2020-15656.md) | High | Firefox ESR and 2 others: JIT optimizations involving the Javascript arguments object could confuse later optimizations. | 8.8 | 0.0152 |  |
| [CVE-2020-6514](https://patchblox.com/security/data/cve/CVE-2020-6514.md) | Routine | chromium-browser-l10n: Inappropriate implementation in WebRTC in Google Chrome prior to 84.0.4147.89 allowed an attacker in a privileged net... | 6.5 | 0.0779 |  |
| [CVE-2020-15655](https://patchblox.com/security/data/cve/CVE-2020-15655.md) | Routine | Firefox ESR and 2 others: A redirected HTTP request which is observed or modified through a web extension could bypass existing… | 6.5 | 0.0152 |  |
| [CVE-2020-15654](https://patchblox.com/security/data/cve/CVE-2020-15654.md) | Routine | Firefox ESR and 2 others: When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user… | 6.5 | 0.0142 |  |
| [CVE-2020-15653](https://patchblox.com/security/data/cve/CVE-2020-15653.md) | Routine | Firefox ESR and 2 others: An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. | 6.5 | 0.0140 |  |
| [CVE-2020-15658](https://patchblox.com/security/data/cve/CVE-2020-15658.md) | Routine | Firefox ESR and 2 others: The code for downloading files did not properly take care of special characters, which led to an attacker… | 6.5 | 0.0139 |  |
| [CVE-2020-15652](https://patchblox.com/security/data/cve/CVE-2020-15652.md) | Routine | Firefox ESR and 2 others: By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result… | 6.5 | 0.0126 |  |
| [CVE-2020-15648](https://patchblox.com/security/data/cve/CVE-2020-15648.md) | Routine | Firefox ESR: Using object or embed tags, it was possible to frame other websites, even if they disallowed framing… | 6.5 | 0.0114 |  |

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Data as of 2026-11-12T07:53:35Z 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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