Mozilla Firefox ESR < 52.7.2 RCE

high Nessus Network Monitor Plugin ID 700336
New! Plugin Severity Now Using CVSS v3

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The remote host has a web browser installed that is vulnerable to a Remote Code Execution (RCE) attack vector.


Versions of Mozilla Firefox ESR earlier than 52.7.2 are unpatched for an out-of-bounds write flaw exists in the 'vorbis_book_decodevs_add()', 'vorbis_book_decodev_add()', and 'vorbis_book_decodevv_add()' functions in 'codebook.c' that is triggered when decoding codebooks from Vorbis audio data. This may allow a context-dependent attacker to corrupt memory and execute arbitrary code.


Upgrade to Firefox ESR version 52.7.2 or later.

See Also

Plugin Details

Severity: High

ID: 700336

Family: Web Clients

Published: 8/21/2018

Updated: 11/6/2019

Dependencies: 9131

Nessus ID: 108586

Risk Information


Risk Factor: High

Base Score: 9.3

Temporal Score: 7.7

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

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


Risk Factor: High

Base Score: 8.1

Temporal Score: 7.5

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

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

Vulnerability Information

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

Patch Publication Date: 3/16/2018

Vulnerability Publication Date: 3/15/2018

Reference Information

CVE: CVE-2018-5146, CVE-2018-5147

BID: 103432