In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the UMTS MAC dissector could crash. This was addressed in epan/dissectors/packet-umts_mac.c by rejecting a certain reserved value.

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the IPMI dissector could crash. This was addressed in epan/dissectors/packet-ipmi-picmg.c by adding support for crafted packets that lack an IPMI header.

In Wireshark 2.4.0 to 2.4.4, the DOCSIS protocol dissector could crash. This was addressed in plugins/docsis/packet-docsis.c by removing the recursive algorithm that had been used for concatenated PDUs.

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-reload.c had an infinite loop that was addressed by validating a length.

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the FCP protocol dissector could crash. This was addressed in epan/dissectors/packet-fcp.c by checking for a NULL pointer.

The dissect_v9_v10_pdu_data function in epan/dissectors/packet-netflow.c in the Netflow dissector in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 refers to incorrect offset and start variables, which allows remote attackers to cause a denial of service (uninitialized memory read and application crash) via a crafted packet.

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-thread.c had an infinite loop that was addressed by using a correct integer data type.

Buffer overflow in the SnifferDecompress function in wiretap/ngsniffer.c in the DOS Sniffer file parser in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 allows remote attackers to cause a denial of service (application crash) via a crafted file that triggers writes of uncompressed bytes beyond the end of the output buffer.

In Wireshark 2.4.0 to 2.4.3 and 2.2.0 to 2.2.11, the JSON, XML, NTP, XMPP, and GDB dissectors could crash. This was addressed in epan/tvbparse.c by limiting the recursion depth.

The dissect_spdu function in epan/dissectors/packet-ses.c in the SES dissector in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 does not initialize a certain ID value, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

Off-by-one error in the is_rtsp_request_or_reply function in epan/dissectors/packet-rtsp.c in the RTSP dissector in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 allows remote attackers to cause a denial of service (application crash) via a crafted packet that triggers parsing of a token located one position beyond the current position.

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows remote attackers to cause a denial of service (application crash) via a crafted packet that leverages split memory ownership between the SDP and RTP dissectors.

The dissect_wccp2r1_address_table_info function in epan/dissectors/packet-wccp.c in the WCCP dissector in Wireshark 1.12.x before 1.12.6 does not properly determine whether enough memory is available for storing IP address strings, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

The (1) dissect_tfs_request and (2) dissect_tfs_response functions in epan/dissectors/packet-ieee80211.c in the IEEE 802.11 dissector in Wireshark 1.10.x before 1.10.14 and 1.12.x before 1.12.5 interpret a zero value as a length rather than an error condition, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.

The fragment_add_work function in epan/reassemble.c in the packet-reassembly feature in Wireshark 1.12.x before 1.12.5 does not properly determine the defragmentation state in a case of an insufficient snapshot length, which allows remote attackers to cause a denial of service (memory consumption) via a crafted packet.

Integer overflow in the dissect_tnef function in epan/dissectors/packet-tnef.c in the TNEF dissector in Wireshark 1.10.x before 1.10.13 and 1.12.x before 1.12.4 allows remote attackers to cause a denial of service (infinite loop) via a crafted length field in a packet.

Off-by-one error in the pcapng_read function in wiretap/pcapng.c in the pcapng file parser in Wireshark 1.10.x before 1.10.13 and 1.12.x before 1.12.4 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via an invalid Interface Statistics Block (ISB) interface ID in a crafted packet.

The dissect_atn_cpdlc_heur function in asn1/atn-cpdlc/packet-atn-cpdlc-template.c in the ATN-CPDLC dissector in Wireshark 1.12.x before 1.12.4 does not properly follow the TRY/ENDTRY code requirements, which allows remote attackers to cause a denial of service (stack memory corruption and application crash) via a crafted packet.

epan/dissectors/packet-wcp.c in the WCP dissector in Wireshark 1.10.x before 1.10.13 and 1.12.x before 1.12.4 does not properly initialize a data structure, which allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet that is improperly handled during decompression.

Integer overflow in the dissect_osd2_cdb_continuation function in epan/dissectors/packet-scsi-osd.c in the SCSI OSD dissector in Wireshark 1.12.x before 1.12.4 allows remote attackers to cause a denial of service (infinite loop) via a crafted length field in a packet.

The SnifferDecompress function in wiretap/ngsniffer.c in the DOS Sniffer file parser in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 does not validate bitmask data, which allows remote attackers to cause a denial of service (application crash) via a crafted file.

epan/dissectors/packet-smtp.c in the SMTP dissector in Wireshark 1.10.x before 1.10.12 and 1.12.x before 1.12.3 uses an incorrect length value for certain string-append operations, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

Multiple use-after-free vulnerabilities in epan/dissectors/packet-wccp.c in the WCCP dissector in Wireshark 1.10.x before 1.10.12 and 1.12.x before 1.12.3 allow remote attackers to cause a denial of service (application crash) via a crafted packet, related to the use of packet-scope memory instead of pinfo-scope memory.

Integer overflow in the dissect_icmpv6 function in epan/dissectors/packet-icmpv6.c in the ICMPv6 dissector in Wireshark 1.6.x before 1.6.12 and 1.8.x before 1.8.4 allows remote attackers to cause a denial of service (infinite loop) via a crafted Number of Sources value.

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-dcm.c had an infinite loop that was addressed by checking for integer wraparound.

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-rpki-rtr.c had an infinite loop that was addressed by validating a length field.

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.

The build_expert_data function in epan/dissectors/packet-ncp2222.inc in the NCP dissector in Wireshark 1.10.x before 1.10.11 and 1.12.x before 1.12.2 does not properly initialize a data structure, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

The dissect_write_structured_field function in epan/dissectors/packet-tn5250.c in the TN5250 dissector in Wireshark 1.10.x before 1.10.11 and 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.

The SnifferDecompress function in wiretap/ngsniffer.c in the DOS Sniffer file parser in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 does not prevent data overwrites during copy operations, which allows remote attackers to cause a denial of service (application crash) via a crafted file.

The dissect_hip_tlv function in epan/dissectors/packet-hip.c in the HIP dissector in Wireshark 1.12.x before 1.12.1 does not properly handle a NULL tree, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.

The SnifferDecompress function in wiretap/ngsniffer.c in the DOS Sniffer file parser in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 does not properly handle empty input data, which allows remote attackers to cause a denial of service (application crash) via a crafted file.

The SDP dissector in Wireshark 1.10.x before 1.10.10 creates duplicate hashtables for a media channel, which allows remote attackers to cause a denial of service (application crash) via a crafted packet to the RTP dissector.

The (1) get_quoted_string and (2) get_unquoted_string functions in epan/dissectors/packet-cups.c in the CUPS dissector in Wireshark 1.12.x before 1.12.1 allow remote attackers to cause a denial of service (buffer over-read and application crash) via a CUPS packet that lacks a trailing '\0' character.

The tvb_raw_text_add function in epan/dissectors/packet-megaco.c in the MEGACO dissector in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 allows remote attackers to cause a denial of service (infinite loop) via an empty line.

epan/proto.c in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 allows remote attackers to cause a denial of service (loop) via a crafted packet that is not properly handled by the GSM RR dissector.

The dissect_dvbci_tpdu_hdr function in epan/dissectors/packet-dvbci.c in the DVB-CI dissector in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 does not validate a certain length value before decrementing it, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a crafted packet.

The dissect_pft function in epan/dissectors/packet-dcp-etsi.c in the DCP ETSI dissector in Wireshark 1.6.x before 1.6.16, 1.8.x before 1.8.8, and 1.10.0 does not validate a certain fragment length value, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

epan/dissectors/packet-rdp.c in the RDP dissector in Wireshark 1.8.x before 1.8.8 does not validate return values during checks for data availability, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

The vwr_read function in wiretap/vwr.c in the Ixia IxVeriWave file parser in Wireshark 1.8.x before 1.8.8 does not validate the relationship between a record length and a trailer length, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) via a crafted packet.

In Wireshark 2.4.0 to 2.4.1, the DOCSIS dissector could go into an infinite loop. This was addressed in plugins/docsis/packet-docsis.c by adding decrements.

In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.

In Wireshark 3.2.0 to 3.2.1, 3.0.0 to 3.0.8, and 2.6.0 to 2.6.14, the WiMax DLMAP dissector could crash. This was addressed in plugins/epan/wimax/msg_dlmap.c by validating a length field.

In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.