Medium severity6.5NVD Advisory· Published Mar 24, 2026· Updated Jun 17, 2026
CVE-2026-4728
CVE-2026-4728
Description
Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <149.0
- (no CPE)range: >=149
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <149.0
- (no CPE)range: >=149
- osv-coords5 versionspkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:apk/chainguard/firefoxpkg:apk/chainguard/firefox-esrpkg:apk/wolfi/firefox
< 149.0-1.1+ 4 more
- (no CPE)range: < 149.0-1.1
- (no CPE)range: < 153.0-1.1
- (no CPE)range: < 149.0-r0
- (no CPE)range: < 0
- (no CPE)range: < 149.0-r0
Patches
Vulnerability mechanics
References
3- www.mozilla.org/security/advisories/mfsa2026-20/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-23/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdPermissions Required
News mentions
0No linked articles in our index yet.