CRITICAL · 9.8

CVE-2018-12390

Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough...

Vulnerability Description

Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MozillaFirefox< 60.3.0
MozillaThunderbird< 60.3.0
DebianDebian Linux8.0
CanonicalUbuntu Linux14.04
RedhatEnterprise Linux Desktop6.0
RedhatEnterprise Linux Server6.0
RedhatEnterprise Linux Server Aus7.6
RedhatEnterprise Linux Server Eus7.5
RedhatEnterprise Linux Server Tus7.6
RedhatEnterprise Linux Workstation6.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2018-12390?

CVE-2018-12390 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough...

How severe is CVE-2018-12390?

CVE-2018-12390 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-12390?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Thunderbird, Debian Debian Linux, Canonical Ubuntu Linux, Redhat Enterprise Linux Desktop.