AppleCVE-2026-43804
Apple Safari: denial of service
Medium6.5CVE-2026-43804 · Published Jul 27, 2026 · updated Jul 28, 2026
This issue was addressed through improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6. Visiting a website may lead to an app denial-of-service.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Safari Product | < 26.6 | 26.6 |
| iOS and iPadOS Product | < 26.6 | 26.6 |
| macOS Product | < 26.6 | 26.6 |
| visionOS Product | < 26.6 | 26.6 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-400
More Apple advisories
All Apple| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jul 27 | Apple iOS and iPadOS: out-of-bounds write | Critical9.8 | 18.7.10+3 more |
| Jul 27 | Apple iOS and iPadOS: out-of-bounds write | Critical9.8 | 18.7.10+3 more |
| Jul 27 | Apple iOS and iPadOS: buffer overflow | Critical9.8 | 18.7.10+2 more |
| Jul 27 | Apple iOS and iPadOS: out-of-bounds write | Critical9.8 | 18.7.10+2 more |
| Jul 27 | Apple iOS and iPadOS: integer overflow | Critical9.8 | 18.7.10+3 more |
| Jul 27 | A memory initialization issue was addressed with improved memory handling | Critical9.8 | 26.6+2 more |