ntfsck in NTFS-3G through 2021.8.22 has a heap-based buffer overflow involving buffer+512*3-2. NOTE: the upstream position is that ntfsck is deprecated; however, it is shipped by some Linux distributions. CREATE(Triage):(User=admin) CVE-2021-46790 (https://nvd.nist.gov/vuln/detail/CVE-2021-46790)