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CVE-2018-12386 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector: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

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://access.redhat.com/errata/RHSA-2018:2881	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2884	CVE	Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1493900	CVE	ExploitIssue TrackingPatchVendor Advisory
https://security.gentoo.org/glsa/201810-01	CVE	Third Party Advisory
https://usn.ubuntu.com/3778-1/	CVE	Third Party Advisory
https://www.debian.org/security/2018/dsa-4310	CVE	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-24/	CVE	Vendor Advisory
http://www.securityfocus.com/bid/105460	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041770	CVE	Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:2881	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2884	[email protected]	Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1493900	[email protected]	ExploitIssue TrackingPatchVendor Advisory
https://security.gentoo.org/glsa/201810-01	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3778-1/	[email protected]	Third Party Advisory
https://www.debian.org/security/2018/dsa-4310	[email protected]	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-24/	[email protected]	Vendor Advisory
http://www.securityfocus.com/bid/105460	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041770	[email protected]	Third Party AdvisoryVDB Entry

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-704	Incorrect Type Conversion or Cast	[email protected]

Affected Products

Product	Versions
redhat enterprise linux desktop	6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux server	6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux server aus	7.6
CPE cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux server eus	7.5 7.6
CPE cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:::::::* cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux server tus	7.6
CPE cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux workstation	6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::* Remediation No remediation found in references.
debian debian linux	9.0
CPE cpe:2.3:o:debian:debian_linux:9.0:::::::* Remediation No remediation found in references.
canonical ubuntu linux	14.04 16.04 18.04
CPE cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts::: Remediation No remediation found in references.
mozilla firefox	< 60.2.2 < 62.0.3
CPE cpe:2.3:a:mozilla:firefox:::::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 25, 2025	CPE Deprecation Remap	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Dec 6, 2018	Initial Analysis	[email protected]
Oct 20, 2018	CVE Modified	[email protected]
Oct 19, 2018	CVE Modified	[email protected]

CVE-2018-12386 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

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Change History

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