CVE-2018-12376: Mozilla Firefox

Affected products, as the CNA wrote them
Vendor	Product	Versions
Mozilla	Firefox	affected unspecified to before 62 custom
Mozilla	Firefox ESR	affected unspecified to before 60.2 custom
Mozilla	Thunderbird	affected unspecified to before 60.2.1 custom

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

No source has published a CVSS score for this record yet.

CISA KEV Not listed.
EPSS 0.031, the 88th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 18 Oct 2018. New records show when each source confirmed them.

Sources

References from the CNA

www.securityfocus.com/bid/105280 vdb-entrybid
security.gentoo.org/glsa/201810-01 vendor-advisorygentoo
access.redhat.com/errata/RHSA-2018:2693 vendor-advisoryredhat
lists.debian.org/debian-lts-announce/2018/11/msg00011.html mailing-listmlist
security.gentoo.org/glsa/201811-13 vendor-advisorygentoo
www.debian.org/security/2018/dsa-4327 vendor-advisorydebian
access.redhat.com/errata/RHSA-2018:3403 vendor-advisoryredhat
www.mozilla.org/security/advisories/mfsa2018-20/ confirm
www.securitytracker.com/id/1041610 vdb-entrysectrack
access.redhat.com/errata/RHSA-2018:2692 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2018:3458 vendor-advisoryredhat
usn.ubuntu.com/3793-1/ vendor-advisoryubuntu
www.mozilla.org/security/advisories/mfsa2018-21/ confirm
bugzilla.mozilla.org/buglist.cgi?bug_id=1469309%2C1469914%2C1450989%2C1480092%2C1480517%2C1481093%2C1478575%2C1471953%2C1473161%2C1466991%2C1468738%2C1483120%2C1467363%2C1472925%2C1466577%2C1467889%2C1480521%2C1478849 confirm
www.mozilla.org/security/advisories/mfsa2018-25/ confirm
usn.ubuntu.com/3761-1/ vendor-advisoryubuntu
www.debian.org/security/2018/dsa-4287 vendor-advisorydebian

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.