๐Ÿ” CVE Alert

CVE-2026-4707

HIGH 7.5

Incorrect boundary conditions in the Graphics: Canvas2D component

CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Vendor mozilla
Product firefox
Ecosystems
Industries
Technology
Published Mar 24, 2026
Last Updated Apr 13, 2026
Stay Ahead of the Next One

Get instant alerts for mozilla firefox

Be the first to know when new high vulnerabilities affecting mozilla firefox are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

Affected Versions

Mozilla / Firefox
All versions affected
Mozilla / Thunderbird
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2015267 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-20/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-21/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-22/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-23/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-24/

Credits

Sajeeb Lohani