CVE-2025-49709 Details
Description
Certain canvas operations could have lead to memory corruption. This vulnerability was fixed in Firefox 139.0.4.
A memory corruption vulnerability has been identified in Mozilla Firefox versions prior to 139.0.4. This issue arises from certain operations on canvas surfaces, which could potentially lead to memory corruption.
Users can upgrade to Mozilla Firefox version 139.0.4 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 11, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1966083 | [email protected] | Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2025-47/ | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| mozilla firefox | < 139.0.4 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 13, 2026 | CVE Modified | [email protected] |
| Jun 16, 2025 | Initial Analysis | [email protected] |
| Jun 11, 2025 | CVE Modified | CISA-ADP |
| Jun 11, 2025 | New CVE Received | [email protected] |