CVE-2023-5168

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 27, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-5168: Critical severity, CVSS 9.8 | Vulnix