Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 117.0 |
| Mozilla | Firefox Esr | < 102.15 |
| Mozilla | Thunderbird | < 115.2 |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1846694Issue TrackingPermissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-34/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-35/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-36/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-37/
- https://www.mozilla.org/security/advisories/mfsa2023-38/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1846694Issue TrackingPermissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-34/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-35/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-36/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-37/
- https://www.mozilla.org/security/advisories/mfsa2023-38/Vendor Advisory
FAQ
What is CVE-2023-4576?
CVE-2023-4576 is a vulnerability with a CVSS score of 8.6 (HIGH). 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. *Thi...
How severe is CVE-2023-4576?
CVE-2023-4576 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-4576?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Microsoft Windows.