Name: CVE-2020-12390: Deserialization of Untrusted Data
Creator: Rapid7
Published: 2020-05-26T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-12390, CWE-502, CVSS 9.8, EPSS 0.01472

Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks. This vulnerability affects Firefox < 76.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade firefoxUpgrade librewolf	Aug 22, 2024	May 26, 2020
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	May 26, 2020
Mfsa2020 16	—	Upgrade to Mozilla Firefox version 76.0Upgrade to the latest version of Mozilla Firefox	May 6, 2020	May 5, 2020
Redhat_linux	—	No solution exists	Jul 9, 2025	May 26, 2020
Ubuntu	—	Upgrade firefox	May 8, 2020	May 7, 2020

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CVSS Details

Covered by Rapid7

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