KLA50778 ACE vulnerability in Mozilla Firefox ESR

2023-07-1100:00:00

Kaspersky Lab

threats.kaspersky.com

mozilla firefox esr

ace vulnerability

07/11/2023

arbitrary code execution

denial of service

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.4%

JSON

Use after free vulnerability was found in Mozilla Firefox ESR. Malicious users can exploit this vulnerability to execute arbitrary code, cause denial of service.

Original advisories

MFSA2023-26

Related products

Mozilla-Firefox-ESR

CVE list

CVE-2023-3600 critical

Solution

Update to the latest version

Download Firefox ESR

Impacts

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.