Name: CVE-2020-35114: Out-of-bounds Write
Creator: Rapid7
Published: 2021-01-07T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-35114, CWE-787, CVSS 8.8, EPSS 0.00434

Mozilla developers reported memory safety bugs present in Firefox 83. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 84.

CVSS Details

CVSS 3.1 Base Score: 8.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade librewolfUpgrade firefox	Aug 22, 2024	Jan 7, 2021
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	Jan 7, 2021
Mfsa2020 54	—	Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 84.0	Dec 16, 2020	Dec 15, 2020
Ubuntu	—	Upgrade firefox	Dec 16, 2020	Dec 15, 2020

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CVSS Details

Covered by Rapid7

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