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Case File

CVE-2023-4576

HIGH · CVSS 8.6 EPSS 0.69%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-09-11 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.6. It affects Windows, Firefox.

CVE
CVE-2023-4576
Severity
HIGH
CVSS
8.6
EPSS
0.69%
Windows Firefox

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)