High severity · published Jul 28, 2023
CVE-2023-38590
A buffer overflow issue was addressed with improved memory handling
8.8
CVSS
1.3%
EPSS
No
On KEV
Description
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in watchOS 9.6, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Monterey 12.6.8, tvOS 16.6, iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
CVSS vector
CVSS:3.1/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)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 15.7.8; 16.0 before 16.6 · source: NVD
MA
macOS · Apple
before 11.7.9; 12.0 before 12.6.8; 13.0 before 13.5 · source: NVD
TV
Tvos · Apple
before 16.6 · source: NVD
WA
Watchos · Apple
before 9.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-38590
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-38590
Vendor Advisory
https://support.apple.com/en-us/HT213841
Vendor Advisory
https://support.apple.com/en-us/HT213842
Vendor Advisory
https://support.apple.com/en-us/HT213843
Vendor Advisory
https://support.apple.com/en-us/HT213844
Vendor Advisory
https://support.apple.com/en-us/HT213845
Vendor Advisory
https://support.apple.com/en-us/HT213846
More from iOS
10.0
CVE-2025-43300
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24085
Apple Multiple Products Use-After-Free Vulnerability
9.8
CVE-2025-31200
Apple Multiple Products Memory Corruption Vulnerability
9.8
CVE-2025-31201
Apple Multiple Products Arbitrary Read and Write Vulnerability