methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Host is enabled, which allows man-in-the-middle attackers to obtain repository credentials via unspecified vectors.
Exploitability
AV:NAC:HAu:NImpact
C:PI:NA:N2.6/AV:N/AC:H/Au:N/C:P/I:N/A:N