← All advisories

Medium severity6.5NVD Advisory· Published Nov 3, 2021· Updated Jun 17, 2026

CVE-2021-38491

CVE-2021-38491

Description

Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox < 92.

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: <92.0
- (no CPE)range: <92
- (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

3

bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions RequiredVendor Advisory
security.gentoo.org/glsa/202202-03nvdThird Party Advisory
www.mozilla.org/security/advisories/mfsa2021-38/nvdVendor Advisory

News mentions

0

No linked articles in our index yet.