CVE-2018-12386
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-12386
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-12386.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201810-6
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 62.0.3-1 | |
| sles | affected | | |
| debian | sid | fixed | 62.0.3-1 |
| debian | bookworm | fixed | 60.2.2esr-1 |
| debian | bullseye | fixed | 60.2.2esr-1 |
| debian | forky | fixed | 60.2.2esr-1 |
| debian | trixie | fixed | 60.2.2esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.