CVE-2020-12390
Mozilla: Incorrect serialization of nsIPrincipal.origin for IPv6 addresses
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Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 5, 2020
Updated · January 28, 2026
Description
The Mozilla Foundation Security Advisory describes this flaw as:
Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-502 · Deserialization of Untrusted Data