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-2011-1813 medium priority: Ubuntu including 1 source packages (chromium-browser), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): released 4, DNE 1, not-affected 1.
Google Chrome before 12.0.742.91 does not properly implement the framework for extensions, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to a "stale pointer."