# CVE-2025-43438

## Summary

- **CVE ID:** CVE-2025-43438
- **Severity:** MEDIUM
- **CVSS Score:** 4.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
- **CWE:** N/A
- **Published:** Nov 4, 2025
- **Last Modified:** Aug 14, 2026

## Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 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 Safari crash.

## Affected Products

- Apple — Safari (unspecified)
- Apple — macOS (unspecified)
- Apple — visionOS (unspecified)
- Apple — watchOS (unspecified)
- Apple — iOS and iPadOS (unspecified)
- Apple — Safari (0)
- Apple — iOS and iPadOS (0)
- Apple — macOS (0)
- Apple — visionOS (0)
- Apple — watchOS (0)

## References

- [CNA](https://support.apple.com/en-us/125640)
- [CNA](https://support.apple.com/en-us/125634)
- [CNA](https://support.apple.com/en-us/125638)
- [CNA](https://support.apple.com/en-us/125639)
- [CNA](https://support.apple.com/en-us/125632)
- [CNA](https://support.apple.com/en-us/125633)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2025-43438)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2448784)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-43438.json)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:23583)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:22789)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:23433)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:23434)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:23743)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:23742)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:23452)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:23451)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:23591)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:23110)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2025:22790)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.04%
- **EPSS Percentile:** 62.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._