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-2013-0243 medium priority: Ubuntu including 1 source packages (haskell-tls-extra), 15 status rows across 15 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 9, ignored 3, not-affected 2, released 1.
haskell-tls-extra before 0.6.1 has Basic Constraints attribute vulnerability may lead to Man in the Middle attacks on TLS connections