CVE-2018-12392
9.8
CRITICAL · CVSS 3.0 · EPSS 3.4% (pctl 89)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.43% — more likely to be exploited than 89% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-02-28 |
| Last modified | 2026-06-17 |
Affected (10)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| debian | debian linux |
| mozilla | firefox |
| mozilla | thunderbird |
| redhat | enterprise linux desktop |
| redhat | enterprise linux server |
| redhat | enterprise linux server aus |
| redhat | enterprise linux server eus |
| redhat | enterprise linux server tus |
| redhat | enterprise linux workstation |
References
- http://www.securityfocus.com/bid/105718
- http://www.securityfocus.com/bid/105769
- http://www.securitytracker.com/id/1041944
- https://access.redhat.com/errata/RHSA-2018:3005
- https://access.redhat.com/errata/RHSA-2018:3006
- https://access.redhat.com/errata/RHSA-2018:3531
- https://access.redhat.com/errata/RHSA-2018:3532
- https://bugzilla.mozilla.org/show_bug.cgi?id=1492823
- https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- https://security.gentoo.org/glsa/201811-04
- https://security.gentoo.org/glsa/201811-13
- https://usn.ubuntu.com/3801-1/
- https://usn.ubuntu.com/3868-1/
- https://www.debian.org/security/2018/dsa-4324
- https://www.debian.org/security/2018/dsa-4337
- https://www.mozilla.org/security/advisories/mfsa2018-26/
- https://www.mozilla.org/security/advisories/mfsa2018-27/
- https://www.mozilla.org/security/advisories/mfsa2018-28/
- http://www.securityfocus.com/bid/105718
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