High severity · published Feb 28, 2019
CVE-2018-12406
Mozilla developers and community members reported memory safety bugs present in Firefox 63
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 63. 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 < 64.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 64 · source: vendor, NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-12406
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-12406
Third Party Advisory
http://www.securityfocus.com/bid/106167
Exploit
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1456947%2C1475669%2C1504816%2C1502886%2C1500064%2C1500310%2C1500696%2C1499198%2C1434490%2C1481745%2C1458129
Third Party Advisory
https://usn.ubuntu.com/3844-1/
Exploit
https://www.mozilla.org/security/advisories/mfsa2018-29/
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