High severity · published Jan 10, 2024
CVE-2023-42833
A correctness issue was addressed with improved checks
8.8
CVSS
1%
EPSS
No
On KEV
Description
A correctness issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14, Safari 17, iOS 17 and iPadOS 17. Processing web content may lead to arbitrary code execution.
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)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 17.0 · source: NVD
MA
macOS · Apple
before 14.0 · source: NVD
SA
Safari · Apple
before 17.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-42833
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-42833
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/02/05/8
Release Notes
https://support.apple.com/en-us/HT213938
Release Notes
https://support.apple.com/en-us/HT213940
Release Notes
https://support.apple.com/en-us/HT213941
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