CVE-2018-12386
High
CVE-2018-12386
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.
Exploit probability
13.4%
Published
October 18, 2018
Required by
Not available
Last source change
April 16, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2018-12386
View original source
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.
05 / REFERENCES
Further evidence
- http://www.securityfocus.com/bid/105460
- http://www.securitytracker.com/id/1041770
- https://access.redhat.com/errata/RHSA-2018:2881
- https://access.redhat.com/errata/RHSA-2018:2884
- https://bugzilla.mozilla.org/show_bug.cgi?id=1493900
- https://security.gentoo.org/glsa/201810-01
- https://usn.ubuntu.com/3778-1/
- https://www.debian.org/security/2018/dsa-4310
- https://www.mozilla.org/security/advisories/mfsa2018-24/