🔐 CVE Alert

CVE-2026-16375

UNKNOWN 0.0

Site isolation issue in the Networking: HTTP component

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.

Vendor mozilla
Product firefox
Ecosystems
Industries
Technology
Published Jul 21, 2026
Stay Ahead of the Next One

Get instant alerts for mozilla firefox

Be the first to know when new unknown vulnerabilities affecting mozilla firefox are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

Mozilla / Firefox
All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2032140 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-68/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-70/

Credits

pakhunov.anton.n