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-2011-0721 medium priority: Ubuntu including 1 source packages (shadow), 6 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): released 4, not-affected 2.
Multiple CRLF injection vulnerabilities in (1) chfn and (2) chsh in shadow 1:4.1.4 allow local users to add new users or groups to /etc/passwd via the GECOS field.