Apple Safari/tvOS/visionOS/iOS/iPadOS up to 26.0 Web Content memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $5k-$25k | 0.00 |
Summary
A vulnerability has been found in Apple Safari, tvOS, visionOS, iOS and iPadOS up to 26.0 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Web Content Handler. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2025-43441. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.
Details
A vulnerability was found in Apple Safari, tvOS, visionOS, iOS and iPadOS up to 26.0. It has been classified as critical. This affects an unknown part of the component Web Content Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. The summary by CVE is:
The issue was addressed with improved memory handling. This issue is fixed in tvOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.
The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2025-43441 since 04/16/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/24/2026).
The vulnerability scanner Nessus provides a plugin with the ID 303073 (Linux Distros Unpatched Vulnerability : CVE-2025-43441), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 26.1 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (303073) and CERT Bund (WID-SEC-2025-2480). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Affected
- Apple Safari
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Nessus ID: 303073
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-43441
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Safari/tvOS/visionOS/iOS/iPadOS 26.1
Timeline
04/16/2025 CVE reserved11/04/2025 Advisory disclosed
11/04/2025 VulDB entry created
03/24/2026 VulDB entry last update
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2025-43441 (🔒)
GCVE (CVE): GCVE-0-2025-43441
GCVE (VulDB): GCVE-100-331089
CERT Bund: WID-SEC-2025-2480 - Apple Safari: Mehrere Schwachstellen
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 11/04/2025 08:05Updated: 03/24/2026 16:58
Changes: 11/04/2025 08:05 (57), 11/04/2025 21:16 (7), 12/18/2025 06:48 (1), 03/24/2026 16:58 (2)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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