CVE-2023-4576

Integer Overflow in RecordedSourceSurfaceCreation

published September 11, 2023

CVSS
—
EPSS
1%
Percentile
56.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00821 · 56.8th percentile
Published
2023-09-11T08:00Z
EPSS history
Timeline
  • 11 SEP 08:00Z
    Integer Overflow in RecordedSourceSurfaceCreation
    cvelistv5