CVE-2018-12386

8.1 HIGH
Published: October 18, 2018 Modified: November 25, 2025
View on NVD

Description

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/105460
Source: security@mozilla.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041770
Source: security@mozilla.org
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2881
Source: security@mozilla.org
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2884
Source: security@mozilla.org
Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1493900
Source: security@mozilla.org
Exploit Issue Tracking Patch Vendor Advisory
https://security.gentoo.org/glsa/201810-01
Source: security@mozilla.org
Third Party Advisory
https://usn.ubuntu.com/3778-1/
Source: security@mozilla.org
Third Party Advisory
https://www.debian.org/security/2018/dsa-4310
Source: security@mozilla.org
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-24/
Source: security@mozilla.org
Vendor Advisory
http://www.securityfocus.com/bid/105460
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041770
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2881
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2884
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1493900
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Patch Vendor Advisory
https://security.gentoo.org/glsa/201810-01
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://usn.ubuntu.com/3778-1/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2018/dsa-4310
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-24/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.1 / 10.0
EPSS (Exploit Probability)
39.1%
97th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-704

Affected Vendors

mozilla debian redhat canonical

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