Secure .gov websites use HTTPS A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Official websites use .gov A .gov website belongs to an official government organization in the United States.

An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. This issue is fixed in iOS 15.3 and iPadOS 15.3, watchOS 8.4, tvOS 15.3, macOS Monterey 12.2, macOS Big Sur 11.6.3. An application may be able to access a user's files.

Site Privacy | Accessibility | Privacy Program | Copyrights | Vulnerability Disclosure | No Fear Act Policy | FOIA | Environmental Policy | Scientific Integrity | Information Quality Standards | Commerce.gov | Science.gov | USA.gov