View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2007-1856 medium priority: Ubuntu including 1 source packages (cron), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1.
Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure) by creating hard links, which results in a failed st_nlink check in database.c.