CVEvulnerability
CVE-2025-43343
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2025-09-15
- Last modified
- 2026-10-18
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-119
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.
Affected configurations
• apple safari (< 26.0)
• apple ipados (< 26.0)
• apple iphone os (< 26.0)
• apple macos (< 26.0)
• apple tvos (< 26.0)
• apple visionos (< 26.0)
• apple watchos (< 26.0)
• webkitgtk webkitgtk (< 2.50.1)
• wpewebkit wpe webkit (< 2.50.1)
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- https://support.apple.com/en-us/125108 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125110 support.apple.com
- https://support.apple.com/en-us/125113 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125114 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125115 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125116 Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2025/Sep/49 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2025/Sep/53 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2025/Sep/57 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2025/Sep/59 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/10/13/4 Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2025:19946 access.redhat.com
- https://security-tracker.debian.org/tracker/CVE-2025-43343 security-tracker.debian.org
- https://ubuntu.com/security/CVE-2025-43343 ubuntu.com
- https://webkitgtk.org/security/WSA-2025-0007.html webkitgtk.org