High severity · published Feb 5, 2019
CVE-2018-18503
When JavaScript is used to create and manipulate an audio buffer, a potentially exploitable crash may occur because of a compartment mismatch in some situations
8.8
CVSS
1.4%
EPSS
No
On KEV
Description
When JavaScript is used to create and manipulate an audio buffer, a potentially exploitable crash may occur because of a compartment mismatch in some situations. This vulnerability affects Firefox < 65.
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)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 65 · 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-2018-18503
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18503
Third Party Advisory
http://www.securityfocus.com/bid/106773
Third Party Advisory
https://usn.ubuntu.com/3874-1/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-01/
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