Squid Improper Input Validation Vulnerability - CVE-2009-2622
Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 allows remote attackers to cause a denial of service via malformed requests including (1) quotmissing or mismatched protocol identifierquot (2) missing or negative status valuequot (3) quotmissing versionquot or (4) quotmissing or invalid status numberquot related to (a) HttpMsg.cc and (b) HttpReply.cc.