Mozilla Firefox ESR < 68.4.1 Type Confusion (mfsa2020-03)

high Nessus Network Monitor Plugin ID 701258
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A web browser installed on the remote host is affected by a type confusion vulnerability.


The version of Firefox ESR installed on the remote host is prior to 68.4.1. It is affected by following vulnerability as referenced in the mfsa2020-03 advisory:

- Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion.


Upgrade to Mozilla Firefox ESR version 68.4.1 or later.

See Also

Plugin Details

Severity: High

ID: 701258

Family: Web Clients

Published: 1/8/2020

Updated: 1/8/2020

Dependencies: 9131

Risk Information


Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C


Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*

Patch Publication Date: 1/8/2020

Vulnerability Publication Date: 1/8/2020

Reference Information

CVE: CVE-2019-17026