High severity · published Sep 26, 2023
CVE-2023-39434
A use-after-free issue was addressed with improved memory management
8.8
CVSS
1.6%
EPSS
No
On KEV
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. 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)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 14 · source: vendor, NVD
IO
iOS · Apple
before 17.0 · source: NVD
IA
iOS and iPadOS · Apple
before 17 · source: vendor
WA
watchOS · Apple
before 10 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39434
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39434
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/3
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/8
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/9
Mailing List
http://www.openwall.com/lists/oss-security/2023/09/28/3
security.gentoo.org
https://security.gentoo.org/glsa/202401-33
Release Notes
https://support.apple.com/en-us/HT213937
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