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CVE-2025-43529

Quick assessment

Affected
Apple Safari
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apple iOS等都是美国苹果（Apple）公司的产品。Apple iOS是一套为移动设备所开发的操作系统。Apple macOS是一套专为Mac计算机所开发的专用操作系统。Apple iPadOS是一套用于iPad平板电脑的操作系统。 Apple多款产品存在安全漏洞，该漏洞源于内存管理不当导致释放后重用，可能导致执行任意代码。以下产品及版本受到影响：Apple watchOS 26.2之前版本、Safari 26.2之前版本、iOS 18.7.3之前版本和iPadOS 18.7.3之前版本、iOS 2

AI Predicted 8.8 Difficulty: Hard KEV EPSS 8.76% · P95

Affected Version Matrix 7

VendorProduct Version RangeStatus
Apple iOS and iPadOS < 18.7.3 affected
< 26.2 affected
Apple macOS < 26.2 affected
Apple Safari < 26.2 affected
Apple tvOS < 26.2 affected
Apple visionOS < 26.2 affected
Apple watchOS < 26.2 affected
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I. Basic Information for CVE-2025-43529

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apple多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple iOS等都是美国苹果（Apple）公司的产品。Apple iOS是一套为移动设备所开发的操作系统。Apple macOS是一套专为Mac计算机所开发的专用操作系统。Apple iPadOS是一套用于iPad平板电脑的操作系统。 Apple多款产品存在安全漏洞，该漏洞源于内存管理不当导致释放后重用，可能导致执行任意代码。以下产品及版本受到影响：Apple watchOS 26.2之前版本、Safari 26.2之前版本、iOS 18.7.3之前版本和iPadOS 18.7.3之前版本、iOS 2
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Apple Safari 0 ~ 26.2 -
Apple iOS and iPadOS 0 ~ 18.7.3 -
Apple macOS 0 ~ 26.2 -
Apple tvOS 0 ~ 26.2 -
Apple visionOS 0 ~ 26.2 -
Apple watchOS 0 ~ 26.2 -

II. Public POCs for CVE-2025-43529

# POC Description Source Link Shenlong Link
1 None https://github.com/zeroxjf/CVE-2025-43529-analysis POC Details
2 exploit for cve-2025-43529 https://github.com/jir4vv1t/CVE-2025-43529 POC Details
3 Analysis of CVE-2025-43529 (WebKit UAF) + CVE-2025-14174 (ANGLE OOB) exploit chain - iOS Safari https://github.com/zeroxjf/WebKit-UAF-ANGLE-OOB-Analysis POC Details
4 Analysis of CVE-2025-43529 (WebKit UAF) + CVE-2025-14174 (ANGLE OOB) exploit chain - iOS Safari https://github.com/SgtBattenHA/Analysis POC Details
5 🔍 Analyze WebKit and ANGLE vulnerabilities with this repository for CVE-2025-43529 and CVE-2025-14174, focusing on verified components and ongoing efforts. https://github.com/sakyu7/sakyu7.github.io POC Details
6 CTT-Enhanced iOS Safari Exploit (based on CVE-2025-43529) https://github.com/SimoesCTT/Convergent-Time-Theory-Enhanced-iOS-Safari-RCE-CVE-2025-43529- POC Details
7 webkit_refraction.js (The 33-Layer WebGL Payload) ​This JavaScript payload uses the \alpha constant to create a high-frequency "Memory Shiver." It induces the Use-After-Free (UAF) in CVE-2025-43529 by desynchronizing the WebKit garbage collector from the GPU's Metal command buffer. https://github.com/SimoesCTT/CTT-Apple-Silicon-Refraction POC Details
8 Root Cause Analysis for CVE-2025-43529, a UAF vulnerability due to incorrect DFG StoreBarrierInsertionPhase in JavaScriptCore. https://github.com/bjrjk/CVE-2025-43529 POC Details
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III. Intelligence Information for CVE-2025-43529

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Vendor Advisories for CVE-2025-43529 (7)

Same Patch Batch · Apple · 2025-12-17 · 20 CVEs total

CVE-2025-46288 Apple多款产品 安全漏洞
CVE-2025-46277 Apple多款产品 安全漏洞
CVE-2025-46282 Apple Safari和Apple macOS 安全漏洞
CVE-2025-43501 Apple多款产品 安全漏洞
CVE-2025-43541 Apple多款产品 安全漏洞
CVE-2025-46283 Apple macOS 安全漏洞
CVE-2025-43428 Apple多款产品 安全漏洞
CVE-2025-43536 Apple多款产品 安全漏洞
CVE-2025-46292 Apple iOS和Apple iPadOS 安全漏洞
CVE-2025-43531 Apple多款产品 安全漏洞
CVE-2025-43514 Apple macOS 安全漏洞
CVE-2025-43526 Apple Safari和Apple macOS 安全漏洞
CVE-2025-43475 Apple iOS和Apple iPadOS 安全漏洞
CVE-2025-43533 Apple 安全漏洞
CVE-2025-46291 Apple macOS 安全漏洞
CVE-2025-43535 Apple多款产品 安全漏洞
CVE-2025-46279 Apple多款产品 安全漏洞
CVE-2025-46278 Apple macOS 安全漏洞
CVE-2025-46281 Apple macOS 安全漏洞

IV. Related Vulnerabilities

Same product: Safari
Same vendor: Apple

V. Comments for CVE-2025-43529

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