CVE-2023-4576
Mozilla: Integer Overflow in RecordedSourceSurfaceCreation
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 29, 2023
Updated · June 26, 2026
Description
A flaw was found in Mozilla. The Mozilla Foundation Security Advisory: On Windows, an integer overflow could occur in RecordedSourceSurfaceCreation, which results 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.
Statement
Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-190 · Integer Overflow or Wraparound