// For flags

CVE-2025-49709

openSUSE Security Advisory - openSUSE-SU-2025:15203-1

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Certain canvas operations could have lead to memory corruption. This vulnerability affects Firefox < 139.0.4.

Ciertas operaciones de canvas podrían haber provocado corrupción de memoria. Esta vulnerabilidad afecta a Firefox anterior a la versión 139.0.4.

These are all security issues fixed in the MozillaFirefox-139.0.4-1.1 package on the GA media of openSUSE Tumbleweed.

*Credits: Yannis Juglaret and Steven Michaud
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2025-06-09 CVE Reserved
  • 2025-06-11 CVE Published
  • 2025-06-11 CVE Updated
  • 2025-07-13 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
Search vendor "Mozilla"
 Firefox
Search vendor "Mozilla" for product "Firefox"
*-
Affected