CVE-2023-32434
Apple Multiple Products Integer Overflow Vulnerability - [Actively Exploited]
Description
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
INFO
Published Date :
June 23, 2023, 6:15 p.m.
Last Modified :
Oct. 23, 2025, 6:48 p.m.
Remotely Exploit :
No
Source :
[email protected]
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Apple iOS. iPadOS, macOS, and watchOS contain an integer overflow vulnerability that could allow an application to execute code with kernel privileges.
Apply updates per vendor instructions.
Unknown
https://support.apple.com/en-us/HT213808, https://support.apple.com/en-us/HT213812, https://support.apple.com/en-us/HT213809, https://support.apple.com/en-us/HT213810, https://support.apple.com/en-us/HT213813, https://support.apple.com/en-us/HT213811, https://support.apple.com/en-us/HT213814; https://nvd.nist.gov/vuln/detail/CVE-2023-32434
Affected Products
The following products are affected by CVE-2023-32434
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade to the latest available version of iOS.
- Upgrade to the latest available version of macOS.
- Upgrade to the latest available version of watchOS.
Public PoC/Exploit Available at Github
CVE-2023-32434 has a 29 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-32434.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-32434 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-32434
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Reverse engineering & analysis of Coruna — a nation-state Safari/WebKit full-chain exploit kit attributed to UNC6691. Deobfuscated samples, exploit chain analysis, IOCs, YARA rules, and detection tooling.
JavaScript YARA Python
Deterministic iOS 7-9 64-bit Kernel Exploit
Makefile Objective-C C
Drop-in security awareness for AI coding assistants — OWASP, CWE, NIST and language-specific rules for Claude Code, Gemini Antigravity, Cursor and OpenAI Codex.
PowerShell Shell TypeScript
macOS Kernel & OS Fuzzer - Lion to latest
Makefile Objective-C Assembly
None
Python
oob_entry tfp0 kernel exploit for armv7 iOS (iOS 3.0–10.3.4), using CVE-2023-32434. We will publish a write-up detailing the methods in the coming weeks. 🐙
oob-entry-lookup oobentry
C
iOS 3.0-10.3.4 tfp0 kernel exploit
C
CVE POC repo 자동 수집기
Python
iOS 4.3 - 7.1.2 untethered jailbreak
Makefile C CMake Assembly Shell
Vulnerability Intelligence with Diagrammatic Reasoning
cve finetuning synthetic-dataset-generation cybersecurity cti
Python
Deterministic kernel exploit based on CVE-2023-32434.
Objective-C C Assembly
None
HTML Python Shell
None
None
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-32434 vulnerability anywhere in the article.
-
CybersecurityNews
iPhone Exploit Toolkit Used by Russian Spies Likely Originated from U.S. Contractor
iPhone Exploit Toolkit Used Russian Spies A powerful iPhone exploit kit named “Coruna,” initially created for Western intelligence by U.S. contractor L3Harris, has fallen into the hands of Russian spi ... Read more
-
Ars Technica
Feds take notice of iOS vulnerabilities exploited under mysterious circumstances
Coruna is also notable for its use by three distinct hacking groups. Google first detected its use in February of last year in an operation conducted by a “customer of a surveillance vendor.” The vuln ... Read more
-
Daily CyberSecurity
Coruna: The High-Powered iOS Exploit Kit Proliferating Across the Global Threat Landscape
Coruna iOS exploit kit timeline The Google Threat Intelligence Group (GTIG) has detailed the curtain on “Coruna,” a formidable iOS exploit kit that has transitioned from the hands of commercial survei ... Read more
-
The Register
Kaspersky dismisses claims Coruna iPhone exploit kit is connected to NSA-linked operation
Russian cybersecurity outfit Kaspersky is waving away claims that an iPhone exploit kit recently uncovered by Google was developed by the same people who were behind a group of zero-days that allegedl ... Read more
-
The Hacker News
Coruna iOS Exploit Kit Uses 23 Exploits Across Five Chains Targeting iOS 13–17.2.1
Google said it identified a "new and powerful" exploit kit dubbed Coruna (aka CryptoWaters) targeting Apple iPhone models running iOS versions between 13.0 and 17.2.1. The exploit kit featured five fu ... Read more
-
CybersecurityNews
Coruna Exploit Kit With 23 Exploits Hacked Thousands of iPhones
Coruna iOS Exploit Kit Google’s Threat Intelligence Group (GTIG) has uncovered Coruna, a sophisticated iOS exploit kit containing 23 exploits across five full exploit chains that compromised thousands ... Read more
-
Help Net Security
Coruna: Spy-grade iOS exploit kit powering financial crime
A powerful iOS exploit kit has circulated among multiple threat actors over the past year, moving from a commercial surveillance operation to state-linked espionage campaigns and, ultimately, ended in ... Read more
-
Google Cloud
Coruna: The Mysterious Journey of a Powerful iOS Exploit Kit
Introduction Google Threat Intelligence Group (GTIG) has identified a new and powerful exploit kit targeting Apple iPhone models running iOS version 13.0 (released in September 2019) up to version 17. ... Read more
-
Daily CyberSecurity
OpenAI’s Big Ad Gamble: Why ChatGPT Ads Cost 3x More Than Meta With Way Less Data
OpenAI is currently orchestrating the strategic integration of advertisements within ChatGPT. Consequently, users of the complimentary tier and the ChatGPT Go subscription will soon encounter promotio ... Read more
-
hackread.com
New Dante Spyware Linked to Rebranded Hacking Team, Now Memento Labs
A new global cyber-espionage threat has surfaced with the discovery of Dante, a commercial surveillance tool developed by the Italian company Memento Labs. For your information, Memento Labs is the re ... Read more
-
Daily CyberSecurity
Apple Hit with Second Lawsuit Alleging AI Training Used Pirated Books from “Shadow Libraries”
After previously being accused of using pirated books to train its artificial intelligence models, Apple now faces yet another class-action lawsuit. In this latest case, Susana Martinez-Conde and Step ... Read more
-
Daily CyberSecurity
The Movie Speeds Past $300M—Apple’s First True Box Office Breakthrough
The Apple Original Films production F1: The Movie has amassed nearly $300 million at the global box office in less than two weeks since its theatrical debut. This milestone not only surpasses the prev ... Read more
-
Cyber Security News
Trigon – A New Exploit Revealed for iOS 0-Day kernel Vulnerability
Security researchers have released a sophisticated new kernel exploit targeting Apple iOS devices, dubbed Trigon, which leverages a critical vulnerability in the XNU kernel’s virtual memory subsystem. ... Read more
-
BleepingComputer
Apple fixes zero-day exploited in 'extremely sophisticated' attacks
Apple has released emergency security updates to patch a zero-day vulnerability that the company says was exploited in targeted and "extremely sophisticated" attacks. "A physical attack may disable US ... Read more
-
BleepingComputer
Apple fixes two zero-days used in attacks on Intel-based Macs
Apple released emergency security updates to fix two zero-day vulnerabilities that were exploited in attacks on Intel-based Mac systems. "Apple is aware of a report that this issue may have been explo ... Read more
The following table lists the changes that have been made to the
CVE-2023-32434 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Modified Analysis by [email protected]
Oct. 23, 2025
Action Type Old Value New Value Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32434 Types: US Government Resource -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32434 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Removed Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32434 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32434 -
Modified Analysis by [email protected]
Feb. 14, 2025
Action Type Old Value New Value -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Feb. 03, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-190 -
Modified Analysis by [email protected]
Jan. 23, 2025
Action Type Old Value New Value Changed Reference Type https://support.apple.com/en-us/HT213808 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213808 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213808 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213808 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213809 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213809 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213809 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213809 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213810 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213810 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213810 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213810 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213811 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213811 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213811 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213811 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213812 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213812 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213812 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213812 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213813 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213813 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213813 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213813 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213814 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213814 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213814 Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213814 Vendor Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2023/Oct/20 Added Reference https://support.apple.com/en-us/HT213808 Added Reference https://support.apple.com/en-us/HT213809 Added Reference https://support.apple.com/en-us/HT213810 Added Reference https://support.apple.com/en-us/HT213811 Added Reference https://support.apple.com/en-us/HT213812 Added Reference https://support.apple.com/en-us/HT213813 Added Reference https://support.apple.com/en-us/HT213814 Added Reference https://support.apple.com/kb/HT213990 -
Modified Analysis by [email protected]
Jun. 27, 2024
Action Type Old Value New Value Changed Reference Type http://seclists.org/fulldisclosure/2023/Oct/20 No Types Assigned http://seclists.org/fulldisclosure/2023/Oct/20 Mailing List, Third Party Advisory Changed Reference Type https://support.apple.com/kb/HT213990 No Types Assigned https://support.apple.com/kb/HT213990 Vendor Advisory -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 25, 2023
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2023/Oct/20 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 25, 2023
Action Type Old Value New Value Added Reference https://support.apple.com/kb/HT213990 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 27, 2023
Action Type Old Value New Value Changed Description An integer overflow was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.7, iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Big Sur 11.7.8, watchOS 9.5.2, macOS Ventura 13.4.1, watchOS 8.8.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7. An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7. -
CVE Modified by [email protected]
Jul. 27, 2023
Action Type Old Value New Value Changed Description An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Big Sur 11.7.8, macOS Monterey 12.6.7, macOS Ventura 13.4.1, watchOS 9.5.2. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7. An integer overflow was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.7, iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Big Sur 11.7.8, watchOS 9.5.2, macOS Ventura 13.4.1, watchOS 8.8.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7. Removed Reference http://seclists.org/fulldisclosure/2023/Jul/10 [No Types Assigned] Removed Reference http://seclists.org/fulldisclosure/2023/Jul/4 [No Types Assigned] Removed Reference http://seclists.org/fulldisclosure/2023/Jul/5 [No Types Assigned] Removed Reference http://seclists.org/fulldisclosure/2023/Jul/6 [No Types Assigned] Removed Reference http://seclists.org/fulldisclosure/2023/Jul/7 [No Types Assigned] Removed Reference http://seclists.org/fulldisclosure/2023/Jul/8 [No Types Assigned] Removed Reference http://seclists.org/fulldisclosure/2023/Jul/9 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 07, 2023
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2023/Jul/8 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2023/Jul/9 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2023/Jul/10 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2023/Jul/4 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2023/Jul/5 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2023/Jul/6 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2023/Jul/7 [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 30, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://support.apple.com/en-us/HT213808 No Types Assigned https://support.apple.com/en-us/HT213808 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213809 No Types Assigned https://support.apple.com/en-us/HT213809 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213810 No Types Assigned https://support.apple.com/en-us/HT213810 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213811 No Types Assigned https://support.apple.com/en-us/HT213811 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213812 No Types Assigned https://support.apple.com/en-us/HT213812 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213813 No Types Assigned https://support.apple.com/en-us/HT213813 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT213814 No Types Assigned https://support.apple.com/en-us/HT213814 Release Notes, Vendor Advisory Added CWE NIST CWE-190 Added CPE Configuration OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 15.7.7 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions from (including) 16.0 up to (excluding) 16.5.1 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 15.7.7 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions from (including) 16.0 up to (excluding) 16.5.1 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.7.8 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 12.0.0 up to (excluding) 12.6.7 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 13.0 up to (excluding) 13.4.1 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 8.8.1 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions from (including) 9.0 up to (excluding) 9.5.2
Vulnerability Scoring Details
Base CVSS Score: 7.8
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
64.20 }} -4.07%
score
0.98411
percentile