CVE Database›CVE-2024-8387

CVE-2024-8387

mozilla: Memory safety bugs fixed in Firefox 130, Firefox ESR 128.2, and Thunderbird 128.2

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Severity

Important

Red Hat Product Security

9.8

CVSS 3.1

Review impact separately from score.

Published · September 3, 2024

Updated · November 21, 2025

Description

The Mozilla Foundation's Security Advisory: Memory safety bugs are present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1. 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.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

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

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')