CVE-2023-4576
On Windows, an integer overflow could occur in `RecordedSourceSurfaceCreation` which resulted in a heap buffer overflow potentially leaking sensitive data that could have led to a sandbox escape. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.
Published:Aug 29, 2023
Last Modified:Dec 18, 2025
EPS:Sep 11, 2023
EPSS Score:0.00248
CVSS Score:8.6
Affected Products
Vendor
Product
Action
Vendor
Microsoft
Product
Windows
Microsoft
Windows
Vendor
Mozilla
Product
Firefox
Mozilla
Firefox
Vendor
Mozilla
Product
Firefox Esr
Mozilla
Firefox Esr
Vendor
Mozilla
Product
Thunderbird
Mozilla
Thunderbird
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
