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CVE-2025-43300

HIGH
Published 2025-08-21T00:27:21.442Z
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Expert Analysis

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CVSS Score

V3.1
8.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12. 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.

Available Exploits

No exploits available for this CVE.

Related News

菴処

Apple 0-day 絲上 (iOS / iPadOS, macOS) (2025.08.21) ImageIO 吾 0-day CVE-2025-43300 絲上025.09.15 篁ゃ OS 吾 絲上 About the security content of iOS 16.7.12 and iPadOS 16.7.12 (Apple, 2025.09.15) About the security content of iOS 15.8.5 and iPadOS…

Ryukoku.ac.jp 2025-09-17 15:00
Apple backports fix for actively exploited CVE-2025-43300

Apple announced it has backported patches for a recently addressed actively exploited vulnerability tracked as CVE-2025-43300. Apple has backported security patches released to address an actively exploited vulnerability tracked as CVE-2025-43300. In August 2…

Securityaffairs.com 2025-09-17 05:24
Apple Backports Fix for CVE-2025-43300 Exploited in Sophisticated Spyware Attack

Apple on Monday backported fixes for a recently patched security flaw that has been actively exploited in the wild. The vulnerability in question is CVE-2025-43300 (CVSS score: 8.8), an out-of-bounds write issue in the ImageIO component that could result in m…

Internet 2025-09-16 11:06
(2025.09.04) (various)

WhatsApp / WhatsApp Business for iOS, WhatsApp for Mac hatsApp若、識сiOS/macOS㍽綣掩'水罔⒦/a> (腦 2025.09.02) iOS / macOS 「CVE-2025-55177 Apple 0-day 絲上 (iOS / iPadOS, macOS) т信罩c CVE-2025-43300 ф─罕 Android Android篁吟若、識э2…

Ryukoku.ac.jp 2025-09-03 15:00
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,…

HackRead 2025-08-23 14:11

Affected Products

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

September 11, 2025

Added to KEV

August 21, 2025

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.

Affected Product

Vendor/Project: Apple
Product: iOS, iPadOS, and macOS

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.08.21 Released: August 21, 2025

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

EU Coordinated

Exploitation Status

No Known Exploitation

ENISA Analysis

Malicious code in bioql (PyPI)

Affected Products (ENISA)

apple
macos

ENISA Scoring

CVSS Score (3.1)

8.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Score

0.350
probability

Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-cpwx-wfp4-x368

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Advisory provided by GitHub Security Advisory Database. Published: August 21, 2025, Modified: September 16, 2025

Social Media Intelligence

Real-time discussions and threat intelligence from social platforms

82 posts
Reddit 3 days, 3 hours ago
crstux
Exploit

🔥 Top 10 Trending CVEs (05/10/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-9864](https://nvd.nist.gov/vuln/detail/CVE-2025-9864)** - 📝 Use after free in V8 in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: …

1
1.0
View Original High Risk
Reddit 4 days, 3 hours ago
crstux
Exploit

🔥 Top 10 Trending CVEs (04/10/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-59489](https://nvd.nist.gov/vuln/detail/CVE-2025-59489)** - 📝 Unity Runtime before 2025-10-02 on Android, Windows, macOS, and Linux allows argument injection that can result in loading of library code from an unintended location. If an application …

3
3.0
View Original High Risk
Reddit 5 days, 3 hours ago
crstux
Exploit

🔥 Top 10 Trending CVEs (03/10/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2023-20870](https://nvd.nist.gov/vuln/detail/CVE-2023-20870)** - 📝 VMware Workstation and Fusion contain an out-of-bounds read vulnerability that exists in the functionality for sharing host Bluetooth devices with the virtual machine. - 📅 **Published:** 25/04/2023 - …

2
2.0
View Original High Risk
Reddit 6 days, 3 hours ago
crstux
Exploit

🔥 Top 10 Trending CVEs (02/10/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2024-3400](https://nvd.nist.gov/vuln/detail/CVE-2024-3400)** - 📝 A command injection as a result of arbitrary file creation vulnerability in the GlobalProtect feature of Palo Alto Networks PAN-OS software for specific PAN-OS versions and distinct feature …

2
2.0
View Original High Risk
Reddit 1 week ago
crstux
Exploit

🔥 Top 10 Trending CVEs (01/10/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-41244](https://nvd.nist.gov/vuln/detail/CVE-2025-41244)** - 📝 VMware Aria Operations and VMware Tools contain a local privilege escalation vulnerability.A malicious local actor with non-administrative privileges having access to a VM with VMware Toolsinstalled and managed …

3
3.0
View Original High Risk
Reddit 1 week, 1 day ago
crstux
Exploit

🔥 Top 10 Trending CVEs (30/09/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2022-41352](https://nvd.nist.gov/vuln/detail/CVE-2022-41352)** - 📝 An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. An attacker can upload arbitrary files through amavis via a cpio loophole (extraction to /opt/zimbra/jetty/webapps/zimbra/public) that can …

2
2.0
View Original High Risk
Reddit 1 week, 1 day ago
_cybersecurity_
Exploit

WhatsApp Users at Risk from New 0-Click Vulnerability **A serious zero-click vulnerability affecting WhatsApp allows attackers to exploit users' devices through a malicious image file without any interaction.** **Key Points:** - Zero-click attack enables remote code execution without user action. - Vulnerabilities CVE-2025-55177 and CVE-2025-43300 are exploited in the attack. …

Also mentions: CVE-2025-55177
37
3
43.0
View Original High Risk
Reddit 1 week, 2 days ago
crstux
Exploit PoC

🔥 Top 10 Trending CVEs (29/09/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-24085](https://nvd.nist.gov/vuln/detail/CVE-2025-24085)** - 📝 A use after free issue was addressed with improved memory management. This issue is fixed in visionOS 2.3, iOS 18.3 and iPadOS 18.3, macOS Sequoia 15.3, watchOS 11.3, …

1
1.0
View Original High Risk
Reddit 2 weeks, 6 days ago
crstux
Exploit PoC

🔥 Top 10 Trending CVEs (18/09/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-9708](https://nvd.nist.gov/vuln/detail/CVE-2025-9708)** - 📝 A vulnerability exists in the Kubernetes C# client where the certificate validation logic accepts properly constructed certificates from any Certificate Authority (CA) without properly verifying the trust chain. …

3
3.0
View Original High Risk
Reddit 3 weeks ago
crstux
Exploit PoC

🔥 Top 10 Trending CVEs (17/09/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-41249](https://nvd.nist.gov/vuln/detail/CVE-2025-41249)** - 📝 The Spring Framework annotation detection mechanism may not correctly resolve annotations on methods within type hierarchies with a parameterized super type with unbounded generics. This can be an …

2
2.0
View Original High Risk

References

Published: 2025-08-21T00:27:21.442Z
Last Modified: 2025-09-15T22:35:06.690Z
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