CVE-2025-49709

Impact

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

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• https://bugzilla.mozilla.org/show_bug.cgi?id=1966083
• https://www.mozilla.org/security/advisories/mfsa2025-47/