๐Ÿ” CVE Alert

CVE-2025-49709

CRITICAL 9.8

Memory corruption in canvas surfaces

CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th

Certain canvas operations could have lead to memory corruption. This vulnerability was fixed in Firefox 139.0.4.

Vendor mozilla
Product firefox
Ecosystems
Industries
Technology
Published Jun 11, 2025
Last Updated Apr 13, 2026
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Affected Versions

Mozilla / Firefox
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1966083 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-47/

Credits

Yannis Juglaret and Steven Michaud