CVE-2023-4576

CVE-2023-4576: vulnerability in Mozilla Firefox

Integer Overflow in RecordedSourceSurfaceCreation

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.8%
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.
Affected products
Mozilla · FirefoxMozilla · Firefox ESRMozilla · Thunderbird
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