FreeBSD Security Advisory FreeBSD-SA-03:08.realpath - An off-by-one error exists in a portion of realpath(3) that computes the length of a resolved pathname. As a result, applications making use of realpath(3) may be vulnerable to denial of service attacks, remote code execution, and privilege escalation. A staggering amount of applications make use of this functionality, including but not limited to, sftp-server and lukemftpd.
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