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VULNERABILITIES

CVE-2018-12387 Details

Description

A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. 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:9.1 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

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.

URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2018:2881 CVEThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:2884 CVEThird Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1493903 CVEExploitIssue TrackingPatchVendor Advisory
https://security.gentoo.org/glsa/201810-01 CVEThird Party Advisory
https://usn.ubuntu.com/3778-1/ CVEThird Party Advisory

see all 18 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-20Improper Input Validation[email protected]

Affected Products

ProductVersions

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-12387
NVD Published Date:
Oct 18, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-12387 Details - Not Deferred