Mozilla Firefox ESR < 52.7.2 RCE

High Nessus Network Monitor Plugin ID 700336


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: 2018/08/21

Updated: 2019/11/06

Dependencies: 9131

Nessus ID: 108586

Risk Information

Risk Factor: High

CVSS v2.0

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

CVSS v3.0

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:/a:mozilla:firefox_esr

Patch Publication Date: 2018/03/16

Vulnerability Publication Date: 2018/03/15

Reference Information

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

BID: 103432