CVE-2023-39434

HIGH

iPadOS < 17.0 - Use-After-Free

Title source: llm
STIX 2.1

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.

References (9)

Core 9
Core References
Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Oct/3
Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Oct/8
Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Oct/9
Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/09/28/3
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213937
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213938
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213940

Scores

CVSS v3 8.8
EPSS 0.0050
EPSS Percentile 66.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (4)
apple/ipados < 17.0
apple/iphone_os < 17.0
apple/macos < 14.0
apple/watchos < 10.0
Published Sep 27, 2023
Tracked Since Feb 18, 2026