Multiple buffer overflows in the (1) SIP, (2) CMIP, (3) CMP, (4) CMS, (5) CRMF, (6) ESS, (7) OCSP, (8) X.509, (9) ISIS, (10) DISTCC, (11) FCELS, (12) Q.931, (13) NCP, (14) TCAP, (15) ISUP, (16) MEGACO, (17) PKIX1Explitit, (18) PKIX_Qualified, (19) Presentation dissectors in Ethereal before 0.10.11 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code.