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Critical severity · published Jun 11, 2018
CVE-2017-5399
Memory safety bugs were reported in Firefox 51
9.8
CVSS
2.3%
EPSS
No
On KEV
Description
Memory safety bugs were reported in Firefox 51. 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 < 52 and Thunderbird < 52.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 52.0 · source: NVD
TH
Thunderbird · Mozilla
before 52.0 · source: NVD
Affected product
FI
Firefox
Mozilla
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5399
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5399
Third Party Advisory
http://www.securityfocus.com/bid/96692
Third Party Advisory
http://www.securitytracker.com/id/1037966
Issue Tracking
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1332569%2C1315248%2C1261335%2C1321038%2C1331771%2C1339566%2C1339591%2C1240893%2C1341905%2C1323241%2C1336467%2C1270288%2C1295299%2C1296024%2C1304201%2C1306142%2C1307557%2C1308036%2C1334246%2C1334290%2C1317085%2C1339116%2C1324000%2C1323150%2C1332501%2C1320894%2C1333752%2C1303713%2C1321566%2C1264053%2C1343513
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-05/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-09/
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