CVE-2026-43740
published 2026-06-29CVE-2026-43740: The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing…
PriorityP433medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
0.20%
10.3th percentile
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may result in the disclosure of process memory.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.5.2 | 26.5.2 |
| apple | ipados | < 26.5.2 | 26.5.2 |
| apple | iphone_os | < 26.5.2 | 26.5.2 |
| apple | macos | < 26.5.2 | 26.5.2 |
| apple | macos | >= 26.0 < 26.5.2 | 26.5.2 |
| apple | safari | < 26.5.2 | 26.5.2 |
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VulDB
Apple Safari/iOS/iPadOS/macOS up to 26.5.1 Web information disclosure
vuldb·2026-06-30·CVSS 6.5
CVE-2026-43740 [MEDIUM] Apple Safari/iOS/iPadOS/macOS up to 26.5.1 Web information disclosure
A vulnerability, which was classified as problematic, was found in Apple Safari, iOS, iPadOS and macOS up to 26.5.1. This vulnerability affects unknown code of the component Web Handler. Executing a manipulation can lead to information disclosure.
This vulnerability is registered as CVE-2026-43740. It is possible to launch the attack remotely. No exploit is available.
You should upgrade the affected component.
GHSA
The issue was addressed with improved memory handling.
ghsa_unreviewed·2026-06-29
CVE-2026-43740 [MEDIUM] CWE-119 The issue was addressed with improved memory handling.
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may result in the disclosure of process memory.
No detection rules found.
No public exploits indexed.
2026-06-29
Published