Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Affected products
apple: safari; apple: ipados; apple: iphone os; apple: visionos; apple: watchos
References10
- support.apple.com/en-us/125632
- support.apple.com/en-us/125633
- support.apple.com/en-us/125634
- support.apple.com/en-us/125638
- support.apple.com/en-us/125639
- support.apple.com/en-us/125640
- access.redhat.com/errata/RHSA-2025:22789
- access.redhat.com/errata/RHSA-2025:22790
- access.redhat.com/security/cve/CVE-2025-43438
- bugzilla.redhat.com/show_bug.cgi?id=2448784
Metrics
- CVSS 3.1
-
4.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - EPSS — exploit probability
- 1% percentile: 66 · as of 10 November 2026
- CWE
- CWE-416
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.