Vulnerability in Mozilla Firefox
CVE-2018-12392
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.034 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.5, 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.6
References
- www.securityfocus.com/bid/105769 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2018/dsa-4324 (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2018-28/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2018-26/ (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2018/11/msg00011.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/201811-04 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201811-13 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2018/dsa-4337 (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2018-27/ (Vendor Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Vendor Advisory, Permissions Required, Issue Tracking)
Frequently asked questions
- What is CVE-2018-12392?
- CVE-2018-12392 is a critical-severity vulnerability in Mozilla Firefox. CVSS score: 9.8/10. Published 2019-02-28.
- How severe is CVE-2018-12392?
- Critical severity. CVSS v3 base score is 9.8 out of 10.