jingle-factory.c in Telepathy Gabble 0.11 before 0.11.7, 0.10 before 0.10.5, and 0.8 before 0.8.15 allows remote attackers to sniff audio and video calls via a crafted google:jingleinfo stanza that specifies an alternate server for streamed media.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.