CVE-2020-12390
First published: Tue May 05 2020(Updated: )
Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks. This vulnerability affects Firefox < 76.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <76 | 76 |
| Mozilla Firefox | <76.0 | |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0 | 76.0 |
| ubuntu/firefox | <76.0+ | 76.0+ |
| debian/firefox | 130.0-2 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1141959
- https://www.mozilla.org/security/advisories/mfsa2020-16/
- https://launchpad.net/bugs/cve/CVE-2020-12390
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/#CVE-2020-6831
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/#CVE-2020-12390
- https://security-tracker.debian.org/tracker/CVE-2020-12390
- https://ubuntu.com/security/notices/USN-4353-1
- https://www.cve.org/CVERecord?id=CVE-2020-12390
- https://nvd.nist.gov/vuln/detail/CVE-2020-12390
- https://ubuntu.com/security/CVE-2020-12390
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2020-12390?
CVE-2020-12390 is classified as a moderate severity vulnerability affecting Firefox versions prior to 76.
How do I fix CVE-2020-12390?
To fix CVE-2020-12390, upgrade your Firefox browser to version 76 or later.
Which versions of Firefox are affected by CVE-2020-12390?
All versions of Firefox prior to 76 are affected by CVE-2020-12390.
What type of security issue does CVE-2020-12390 cause?
CVE-2020-12390 can lead to incorrect origin serialization of URLs, affecting security checks.
Is there any specific platform where CVE-2020-12390 is relevant?
CVE-2020-12390 is relevant for all platforms running affected versions of Firefox, including various Ubuntu and Debian packages.
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