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-2012-4551 medium priority: Ubuntu including 1 source packages (libunity-webapps), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): DNE 4, needs-triage 1, released 1.
Use-after-free vulnerability in libunity-webapps before 2.4.1 allows remote attackers to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via a crafted web site, related to "certain hash tables."