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-2011-0722 medium priority: Ubuntu including 1 source packages (ffmpeg), 6 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): not-affected 2, released 2, ignored 1, needs-triage 1.
FFmpeg before 0.5.4, as used in MPlayer and other products, allows remote attackers to cause a denial of service (heap memory corruption and application crash) or possibly execute arbitrary code via a malformed RealMedia file.