CVE-2018-5126

moderate-risk
Published 2018-06-11

Memory safety bugs were reported in Firefox 58. 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 < 59.

Do I need to act?

~
2.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Mozilla Canonical

References (10)

Third Party Advisory http://www.securityfocus.com/bid/103386
Third Party Advisory http://www.securitytracker.com/id/1040514
Issue Tracking https://bugzilla.mozilla.org/buglist.cgi?bug_id=1433671%2C1414768%2C1416523%2C14...
Third Party Advisory https://usn.ubuntu.com/3596-1/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-06/
Third Party Advisory http://www.securityfocus.com/bid/103386
Third Party Advisory http://www.securitytracker.com/id/1040514
Issue Tracking https://bugzilla.mozilla.org/buglist.cgi?bug_id=1433671%2C1414768%2C1416523%2C14...
Third Party Advisory https://usn.ubuntu.com/3596-1/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-06/
47
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 5/34 · Minimal
Exposure 10/34 · Low