CVE-2025-49709: Certain canvas operations could have lead to memory corruption. This vulnerability was fixed in Firefox 139.0.4.

PriorityP348critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

0.58%

43.8th percentile

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

Affected

3 ranges

Vendor	Product	Version range	Fixed in
debian	firefox	< firefox 139.0.4-1 (sid)	firefox 139.0.4-1 (sid)
mozilla	firefox	< 139.0.4	139.0.4
mozilla	firefox	—	—

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

osv9.8CRITICAL

vendor_debian9.8CRITICAL

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