CVE-2018-12388

moderate-risk
Published 2019-02-28

Mozilla developers and community members reported memory safety bugs present in Firefox 62. 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.

Do I need to act?

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0.51% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

Mozilla Canonical

References (10)

Third Party Advisory http://www.securityfocus.com/bid/105721
Third Party Advisory http://www.securitytracker.com/id/1041944
Issue Tracking https://bugzilla.mozilla.org/buglist.cgi?bug_id=1472639%2C1485698%2C1301547%2C14...
Third Party Advisory https://usn.ubuntu.com/3801-1/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-26/
Third Party Advisory http://www.securityfocus.com/bid/105721
Third Party Advisory http://www.securitytracker.com/id/1041944
Issue Tracking https://bugzilla.mozilla.org/buglist.cgi?bug_id=1472639%2C1485698%2C1301547%2C14...
Third Party Advisory https://usn.ubuntu.com/3801-1/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-26/
44
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 2/34 · Minimal
Exposure 12/34 · Low