# firefox 74.0+build3-0ubuntu0.18.04.1: firefox 74.0+build3-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)

firefox 74.0+build3-0ubuntu0.18.04.1, released March 10, 2020, fixes 12 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-74.0-build3-0ubuntu0.18.04.1
- Platform: Linux
- Released: Mar 10, 2020
- Priority: High (Closes CVE-2020-6811, high severity)
- CVEs: 12, 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) | 74.0+build3-0ubuntu0.18.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-6811](https://patchblox.com/security/data/cve/CVE-2020-6811.md) | High | Firefox ESR: The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request,… | 8.8 | 0.0327 |  |
| [CVE-2020-6806](https://patchblox.com/security/data/cve/CVE-2020-6806.md) | High | Firefox ESR: By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end… | 8.8 | 0.0261 |  |
| [CVE-2020-6814](https://patchblox.com/security/data/cve/CVE-2020-6814.md) | High | Firefox ESR: Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5. | 9.8 | 0.0187 |  |
| [CVE-2020-6805](https://patchblox.com/security/data/cve/CVE-2020-6805.md) | High | Firefox ESR: When removing data about an origin whose tab was recently closed, a use-after-free could occur in the… | 8.8 | 0.0149 |  |
| [CVE-2020-6809](https://patchblox.com/security/data/cve/CVE-2020-6809.md) | High | Firefox ESR: When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin',… | 7.5 | 0.0148 |  |
| [CVE-2020-6807](https://patchblox.com/security/data/cve/CVE-2020-6807.md) | High | Firefox ESR: When a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> task… | 8.8 | 0.0147 |  |
| [CVE-2020-6815](https://patchblox.com/security/data/cve/CVE-2020-6815.md) | High | Firefox ESR: Mozilla developers reported memory safety and script safety bugs present in Firefox 73. | 9.8 | 0.0136 |  |
| [CVE-2019-20503](https://patchblox.com/security/data/cve/CVE-2019-20503.md) | Routine | xul-ext-lightning: usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init. | 6.5 | 0.0314 |  |
| [CVE-2020-6812](https://patchblox.com/security/data/cve/CVE-2020-6812.md) | Routine | Firefox ESR: The first time AirPods are connected to an iPhone, they become named after the user's name by default… | 6.1 | 0.0160 |  |
| [CVE-2020-6813](https://patchblox.com/security/data/cve/CVE-2020-6813.md) | Routine | Firefox ESR: When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in… | 5.3 | 0.0122 |  |
| [CVE-2020-6808](https://patchblox.com/security/data/cve/CVE-2020-6808.md) | Routine | Firefox ESR: When a JavaScript URL (javascript:) is evaluated and the result is a string, this string is parsed to… | 6.5 | 0.0110 |  |
| [CVE-2020-6810](https://patchblox.com/security/data/cve/CVE-2020-6810.md) | Routine | Firefox ESR: After a website had entered fullscreen mode, it could have used a previously opened popup to obscure… | 4.3 | 0.0103 |  |

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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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