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Critical severity9.8NVD Advisory· Published May 26, 2020· Updated Jun 17, 2026

CVE-2020-12390

CVE-2020-12390

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5

Mozilla Corporation/Firefox3 versions
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <76.0
- (no CPE)range: <76
- (no CPE)range: unspecified
osv-coords2 versions
pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed
< 92.0-1.2+ 1 more
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 128.5.1-1.1

Patches

Vulnerability mechanics

References

2

www.mozilla.org/security/advisories/mfsa2020-16/nvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdPermissions Required

News mentions

0

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