In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the MIME Multipart dissector could crash. This was addressed in epan/dissectors/packet-multipart.c by correcting the deallocation of invalid MIME parts.
{ "vanir_signatures": [ { "id": "CVE-2020-25863-6de84241", "digest": { "length": 1016.0, "function_hash": "258630385260328047632033345300933775111" }, "source": "https://gitlab.com/wireshark/wireshark@5803c7b87b3414cdb8bf502af50bb406ca774482", "signature_version": "v1", "target": { "function": "get_multipart_info", "file": "epan/dissectors/packet-multipart.c" }, "deprecated": false, "signature_type": "Function" }, { "id": "CVE-2020-25863-e55649ab", "digest": { "line_hashes": [ "208246242650496814565964424648644299401", "294694781186209402313729773177228924552", "296834981432785644725352318342959509753", "11226755345798513633551516444771710492", "83657457413707773100325558572280999555", "331039726917801260391502927505222658143", "335775844432884418191867112615122104742", "108215642888986207386480559008634653657", "38770556514498019418041764396356834770", "250934303007487353493085030397228745494" ], "threshold": 0.9 }, "source": "https://gitlab.com/wireshark/wireshark@5803c7b87b3414cdb8bf502af50bb406ca774482", "signature_version": "v1", "target": { "file": "epan/dissectors/packet-multipart.c" }, "deprecated": false, "signature_type": "Line" } ] }