Critical severity · published Oct 27, 2020
CVE-2019-8756
Multiple memory corruption issues were addressed with improved input validation
9.8
CVSS
1.5%
EPSS
No
On KEV
Description
Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 7.14, iCloud for Windows 10.7, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iTunes 12.10.1 for Windows. Multiple issues in libxml2.
CVSS vector
CVSS:3.1/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)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IC
Icloud · Apple
before 7.14; 10.0 before 10.7 · source: NVD
IT
Itunes · Apple
before 12.10.1 · source: NVD
MO
Mac OS X · Apple
before 10.15 · source: NVD
TV
Tvos · Apple
before 13 · source: NVD
WA
Watchos · Apple
before 6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-8756
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-8756
Vendor Advisory
https://support.apple.com/en-us/HT210604
Vendor Advisory
https://support.apple.com/en-us/HT210606
Vendor Advisory
https://support.apple.com/en-us/HT210607
Vendor Advisory
https://support.apple.com/en-us/HT210634
Vendor Advisory
https://support.apple.com/en-us/HT210635
Vendor Advisory
https://support.apple.com/en-us/HT210636
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