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-2016-3948 low priority: Ubuntu including 1 source packages (squid3), 8 status rows across 8 suites (artful, precise, trusty, upstream, wily, xenial, yakkety, zesty): ignored 4, released 2, DNE 1, not-affected 1.
Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers.