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kasperskyKaspersky LabKLA60820
HistorySep 28, 2023 - 12:00 a.m.

KLA60820 DoS vulnerability in Mozilla Firefox

2023-09-2800:00:00
Kaspersky Lab
threats.kaspersky.com
17
mozilla firefox" "dos" "buffer overflow" "update" "cve-2023-5217" "mfsa2023-44

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

9.9 High

AI Score

Confidence

High

0.245 Low

EPSS

Percentile

96.7%

Heap buffer overflow vulnerability was found in Mozilla Firefox. Malicious users can exploit this vulnerability to cause denial of service.

Original advisories

MFSA2023-44

Exploitation

Public exploits exist for this vulnerability.

Related products

Mozilla-Firefox

CVE list

CVE-2023-5217 critical

Solution

Update to the latest version

Download Firefox

Impacts

  • DoS

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

Affected Products

  • Mozilla Firefox earlier than 118.0.1

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

9.9 High

AI Score

Confidence

High

0.245 Low

EPSS

Percentile

96.7%