CVE-2024-4777

Mozilla: Memory safety bugs fixed in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11

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Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · May 14, 2024

Updated · June 28, 2026

Description

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: Memory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10. 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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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