CVE-2026-43703
published 2026-06-29CVE-2026-43703: The issue was addressed with improved memory handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted…
PriorityP430medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
0.22%
13.0th percentile
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
Affected
4 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 |
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VulDB
Apple iOS/iPadOS/macOS up to 26.5.1 Web denial of service
vuldb·2026-06-30·CVSS 6.5
CVE-2026-43703 [MEDIUM] Apple iOS/iPadOS/macOS up to 26.5.1 Web denial of service
A vulnerability labeled as problematic has been found in Apple iOS, iPadOS and macOS up to 26.5.1. Impacted is an unknown function of the component Web Handler. Such manipulation leads to denial of service.
This vulnerability is referenced as CVE-2026-43703. It is possible to launch the attack remotely. No exploit is available.
The affected component should be upgraded.
GHSA
The issue was addressed with improved memory handling.
ghsa_unreviewed·2026-06-29
CVE-2026-43703 [MEDIUM] CWE-125 The issue was addressed with improved memory handling.
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
No detection rules found.
No public exploits indexed.
2026-06-29
Published