CRITICAL · 9.8

CVE-2018-5187

Memory safety bugs present in Firefox 60 and Firefox ESR 60. 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...

Vulnerability Description

Memory safety bugs present in Firefox 60 and Firefox ESR 60. 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 Thunderbird < 60, Firefox ESR < 60.1, and Firefox < 61.

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
DebianDebian Linux8.0
CanonicalUbuntu Linux14.04
MozillaFirefox< 60.1.0
MozillaThunderbird< 60.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2018-5187?

CVE-2018-5187 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Memory safety bugs present in Firefox 60 and Firefox ESR 60. 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...

How severe is CVE-2018-5187?

CVE-2018-5187 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-2018-5187?

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