Critical severity · published Jun 11, 2018
CVE-2018-5128
A use-after-free vulnerability can occur when manipulating elements, events, and selection ranges during editor operations
9.8
CVSS
1.8%
EPSS
No
On KEV
Description
A use-after-free vulnerability can occur when manipulating elements, events, and selection ranges during editor operations. This results in a potentially exploitable crash. This vulnerability affects Firefox < 59.
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)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 59.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 17.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5128
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5128
Third Party Advisory
http://www.securityfocus.com/bid/103386
Third Party Advisory
http://www.securitytracker.com/id/1040514
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1431336
Third Party Advisory
https://usn.ubuntu.com/3596-1/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-06/
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