VULNERABILITY INTELLIGENCE

CVE-2023-4057

CVSS score9.8 CRITICAL
EPSS probability0.89%
CISA KEVNot currently listed
Published2023-08-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 116, Firefox ESR < 115.1, and Thunderbird < 115.1.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references