The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit configured allow out-of-bounds heap read and write via specially crafted extended file attributes. A remote attacker with write access to extended file attributes can execute arbitrary code with the privileges of smbd, typically root.

Related CVEs

CVE-2021-44142

Key Information

GHSA ID

GHSA-mpfw-9wp5-hfff

Published

February 22, 2022 12:00 AM

Last Modified

April 23, 2025 9:30 PM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 12, 2025 6:29 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.