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Known Exploited Vulnerability
8.8
HIGH CVSS 3.1
CVE-2025-43300
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability - [Actively Exploited]
Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sonoma 14.7.8, macOS Ventura 13.7.8, iPadOS 17.7.10, macOS Sequoia 15.6.1, iOS 18.6.2 and iPadOS 18.6.2. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.

INFO

Published Date :

Aug. 21, 2025, 1:15 a.m.

Last Modified :

Aug. 22, 2025, 6:52 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
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.

Description :

Apple iOS, iPadOS, and macOS contain an out-of-bounds write vulnerability in the Image I/O framework.

Required Action :

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes :

https://support.apple.com/en-us/124925 ; https://support.apple.com/en-us/124926 ; https://support.apple.com/en-us/124927 ; https://support.apple.com/en-us/124928 ; https://support.apple.com/en-us/124929 ; https://nvd.nist.gov/vuln/detail/CVE-2025-43300

Affected Products

The following products are affected by CVE-2025-43300 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.

ID Vendor Product Action
1 Apple macos
2 Apple iphone_os
3 Apple ipados
: Total Affected Vendor : 1 | Products : 3
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Apply the latest updates to address an out-of-bounds write vulnerability.
  • Upgrade to macOS 13.7.8, 14.7.8, 15.6.1 or later.
  • Upgrade to iOS or iPadOS 18.6.2 or later.
Public PoC/Exploit Available at Github

CVE-2025-43300 has a 9 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-2025-43300.

URL Resource
https://support.apple.com/en-us/124925 Release Notes Vendor Advisory
https://support.apple.com/en-us/124926 Release Notes Vendor Advisory
https://support.apple.com/en-us/124927 Release Notes Vendor Advisory
https://support.apple.com/en-us/124928 Release Notes Vendor Advisory
https://support.apple.com/en-us/124929 Release Notes Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-43300 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-2025-43300 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).

Profile Photo
XiaomingX/CVE-2025-43300-exp

CVE-2025-43300的在野利用代码.

Updated: 21 hours, 53 minutes ago
3 stars 1 fork 1 watcher
Born at : Aug. 22, 2025, 10:13 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
h4xnz/CVE-2025-43300-Exploit

None

Updated: 23 hours, 18 minutes ago
10 stars 2 fork 2 watcher
Born at : Aug. 21, 2025, 10:44 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
PuddinCat/GithubRepoSpider

监控Github最新网络安全相关的仓库...

cve cybersecurity github spider

Shell Python Nix

Updated: 3 hours, 3 minutes ago
18 stars 3 fork 3 watcher
Born at : May 9, 2025, 2:29 p.m. This repo has been linked 25 different CVEs too.
Profile Photo
CryptoGenNepal/CVE-KEV-RSS

CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild and CryptoGen Nepal aims to simplify this for the general public in a more understandable way as well as in a format that can be easily integrated into their threat intelligence systems.

cve json rss cgn cisa kev

Python HTML

Updated: 1 day, 8 hours ago
2 stars 1 fork 1 watcher
Born at : Feb. 16, 2025, 5:21 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
DevGreick/devgreick

None

Python

Updated: 4 hours, 42 minutes ago
1 stars 0 fork 0 watcher
Born at : Oct. 29, 2024, 8:10 p.m. This repo has been linked 10 different CVEs too.
Profile Photo
ums91/CISA_BOT

CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.

Python

Updated: 2 days ago
2 stars 1 fork 1 watcher
Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 201 different CVEs too.
Profile Photo
msuiche/elegant-bouncer

ELEGANTBOUNCER is a detection tool for file-based mobile exploits.

forensics mobile

Rust

Updated: 7 hours, 5 minutes ago
30 stars 1 fork 1 watcher
Born at : Nov. 22, 2022, 12:51 p.m. This repo has been linked 5 different CVEs too.
Profile Photo
b1n4r1b01/n-days

None

C

Updated: 2 hours, 54 minutes ago
252 stars 43 fork 43 watcher
Born at : June 27, 2021, 1:12 p.m. This repo has been linked 10 different CVEs too.
Profile Photo
nomi-sec/PoC-in-GitHub

📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.

security cve exploit poc vulnerability

Updated: 6 hours, 14 minutes ago
7208 stars 1199 fork 1199 watcher
Born at : Dec. 8, 2019, 1:03 p.m. This repo has been linked 807 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-43300 vulnerability anywhere in the article.

  • Hackread - Latest Cybersecurity, Hacking News, Tech, AI & Crypto
Hackers Could Take Over Apple Devices Via Malicious Images – Patch Now!

Apple fixes CVE-2025-43300, a flaw letting hackers hijack devices via malicious images. Users urged to update iPhone, iPad, and Mac now. Several cybersecurity researchers recently warned that a critic ... Read more

Published Date: Aug 23, 2025 (4 hours, 41 minutes ago)
  • CybersecurityNews
CISA Warns of Apple iOS, iPadOS, and macOS 0-day Vulnerability Exploited in Attacks

CISA has issued an urgent warning regarding a critical zero-day vulnerability affecting Apple’s iOS, iPadOS, and macOS operating systems that threat actors are actively exploiting. The vulnerability, ... Read more

Published Date: Aug 22, 2025 (1 day, 3 hours ago)
  • TheCyberThrone
CISA KEV Catalog H1 2025 Analysis

August 22, 2025The CISA Known Exploited Vulnerabilities (KEV) Catalog is a critical resource designed to enhance cybersecurity defenses by identifying vulnerabilities actively exploited in the wild. T ... Read more

Published Date: Aug 22, 2025 (1 day, 8 hours ago)
  • TheCyberThrone
CVE-2025-43300 affects Apple Products

August 22, 2025Vulnerability SummaryCVE-2025-43300 is a zero-day out-of-bounds write vulnerability in the ImageIO framework used by Apple devices. ImageIO is responsible for decoding and processing mu ... Read more

Published Date: Aug 22, 2025 (1 day, 16 hours ago)
  • Help Net Security
Russian threat actors using old Cisco bug to target critical infrastructure orgs

A threat group linked to the Russian Federal Security Service’s (FSB) Center 16 unit has been compromising unpatched and end-of-life Cisco networking devices via an old vulnerability (CVE-2018-0171), ... Read more

Published Date: Aug 21, 2025 (2 days, 3 hours ago)
  • The Register
Apple rushes out fix for active zero-day in iOS and macOS

Apple has shipped emergency updates to fix an actively exploited zero-day in its ImageIO framework, warning that the flaw has already been abused in targeted attacks. Logged as CVE-2025-43300, the bug ... Read more

Published Date: Aug 21, 2025 (2 days, 6 hours ago)
  • The Cyber Express
Apple Patches Zero-Day in iOS 18.6.2 After Targeted Exploits Involving Malicious Image Files

Apple on Wednesday released iPadOS/iOS 18.6.2, as a security update addressing a zero-day vulnerability— tracked as CVE-2025-43300. The company said, the bug has already been exploited in a sophistica ... Read more

Published Date: Aug 21, 2025 (2 days, 8 hours ago)
  • security.nl
Apple dicht actief aangevallen kwetsbaarheid in iOS en macOS

Apple heeft beveiligingsupdates uitgebracht voor een actief aangevallen beveiligingslek in iOS en macOS. Volgens het bedrijf is de kwetsbaarheid, aangeduid als CVE-2025-43300, bij een "zeer geraffinee ... Read more

Published Date: Aug 21, 2025 (2 days, 11 hours ago)
  • The Hacker News
Apple Patches CVE-2025-43300 Zero-Day in iOS, iPadOS, and macOS Exploited in Targeted Attacks

Aug 21, 2025Ravie LakshmananVulnerability / Zero-Day Apple has released security updates to address a security flaw impacting iOS, iPadOS, and macOS that it said has come under active exploitation i ... Read more

Published Date: Aug 21, 2025 (2 days, 14 hours ago)
  • CybersecurityNews
Critical Apple 0-Day Vulnerability Actively Exploited in the Wild – Update Now

Apple released emergency security updates for iOS and iPadOS to patch a critical zero-day vulnerability in its core Image I/O framework. The flaw, tracked as CVE-2025-43300, is confirmed to be under a ... Read more

Published Date: Aug 21, 2025 (2 days, 15 hours ago)
  • Daily CyberSecurity
Apple Issues Urgent Patch for Zero-Day Vulnerability CVE-2025-43300 Exploited in the Wild

Apple has released urgent security updates to patch a zero-day vulnerability actively exploited in the wild, warning that attackers may have already used it in highly targeted campaigns. The flaw, tra ... Read more

Published Date: Aug 20, 2025 (2 days, 20 hours ago)
  • Help Net Security
Apple fixes zero-day vulnerability exploited in “extremely sophisticated attack” (CVE-2025-43300)

Apple has fixed yet another vulnerability (CVE-2025-43300) that has apparently been exploited as a zero-day “in an extremely sophisticated attack against specific targeted individuals.” About CVE-2025 ... Read more

Published Date: Aug 20, 2025 (2 days, 23 hours ago)
  • BleepingComputer
Apple fixes new zero-day flaw exploited in targeted attacks

Apple has released emergency updates to patch another zero-day vulnerability that was exploited in an "extremely sophisticated attack." Tracked as CVE-2025-43300, this security flaw is caused by an ou ... Read more

Published Date: Aug 20, 2025 (3 days ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-43300 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.

  • Initial Analysis by [email protected]

    Aug. 22, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 17.7.10 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions from (including) 18.0 up to (excluding) 18.6.2 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 18.6.2 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 14.0 up to (excluding) 14.7.8 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 15.0 up to (excluding) 15.6.1 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (excluding) 13.7.8
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124925 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124926 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124927 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124928 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124929 Types: Release Notes, Vendor Advisory
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Aug. 22, 2025

    Action Type Old Value New Value
    Added Date Added 2025-08-21
    Added Due Date 2025-09-11
    Added Vulnerability Name Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
    Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 21, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CWE CWE-787
  • New CVE Received by [email protected]

    Aug. 21, 2025

    Action Type Old Value New Value
    Added Description An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sonoma 14.7.8, macOS Ventura 13.7.8, iPadOS 17.7.10, macOS Sequoia 15.6.1, iOS 18.6.2 and iPadOS 18.6.2. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.
    Added Reference https://support.apple.com/en-us/124925
    Added Reference https://support.apple.com/en-us/124926
    Added Reference https://support.apple.com/en-us/124927
    Added Reference https://support.apple.com/en-us/124928
    Added Reference https://support.apple.com/en-us/124929
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact