| Version | Change log |
| Wireshark (x64bit) 4.6.4 Feb 26, 2026 |
Bug Fixes: wnpa-sec-2026-05 USB HID dissector memory exhaustion. Issue 20972. CVE-2026-3201. wnpa-sec-2026-06 NTS-KE dissector crash. Issue 21000. CVE-2026-3202. wnpa-sec-2026-07 RF4CE Profile dissector crash. Issue 21009. CVE-2026-3203. The following bugs have been fixed: Wireshark doesn’t start if Npcap is configured with "Restrict Npcap driver’s Access to Administrators only" Issue 20828. PQC signature algorithm not reported in signature_algorithms. Issue 20953. Unexpected JA4 ALPN values when space characters sent. Issue 20966. Expert Info seems to have quadratic performance (gets slower and slower) Issue 20970. IKEv2 EMERGENCY_CALL_NUMBERS Notify payload cannot be decoded. Issue 20974. TShark and editcap fails with segmentation fault when output format (-F) set to blf. Issue 20976. Fuzz job crash: fuzz-2026-02-01-12944805400.pcap [Zigbee Direct Tunneling Zigbee NWK PDUs NULL hash table] Issue 20977. Wiretap writes pcapng custom options with string values invalidly. Issue 20978. RDM status in Output Status (GoodOutputB) field incorrectly decoded in Art-Net PollReply dissector. Issue 20980. Wiretap writes invalid pcapng Darwin option blocks. Issue 20991. TDS dissector desynchronizes on RPC DATENTYPE (0x28) due to incorrect expectation of TYPE_VARLEN (MaxLen) Issue 21001. Only first HTTP POST is parsed inside SOCKS with "Decode As". Issue 21006. TShark: Bogus "Dissector bug" messages generated in pipelines where something after tshark exits before reading all its input. Issue 21011. New Diameter RAT-Types in TS 29.212 not decoded. Issue 21012. Malformed packet error on Trigger HE Basic frames. Issue 21032. Updated Protocol Support: Art-Net, AT, BGP, GSM DTAP, GSM SIM, IEEE 802.11, IPv6, ISAKMP, MBIM, MySQL, NAS-5GS, NTS-KE, SGP.22, Silabs DCH, Socks, TDS, TECMP, USB HID, ZB TLV, and ZBD New and Updated Capture File Support: BLF, pcapng, and TTL |
| Wireshark (x64bit) 4.6.3 Jan 14, 2026 |
Bug Fixes: The following vulnerabilities have been fixed: wnpa-sec-2026-01 BLF file parser crash. Issue 20880. wnpa-sec-2026-02 IEEE 802.11 dissector crash. Issue 20939. wnpa-sec-2026-03 SOME/IP-SD dissector crash. Issue 20945. wnpa-sec-2026-04 HTTP3 dissector infinite loop. Issue 20944. The following bugs have been fixed: Wireshark 4.6.0 build fails on Solaris: pcapio.c:441:21: error: request for member '_flag' in something not a structure or union. Issue 20773. RTP Player streams cannot be stopped. Issue 20879. Additional ABI/API compatibility fixes. Issue 20881. Missing data in pinfo??'cinfo in HomePlug message CM_ATTEN_CHAR.IND. Issue 20893. maxmind_db: crash when switching from a profile where it’s disabled to one where it’s enabled. Issue 20903. Compilation warning or error if CFLAGS defines _FORTIFY_SOURCE to other than 3 without first undefining it. Issue 20904. IEEE 802.11: Incorrect parsing of QoS and Mesh Control Field when the frame body contains an A-MSDU. Issue 20905. OSS-Fuzz 473164101: Heap-buffer-overflow in dissect_idn_laser_data. Issue 20936. Bug in decoding 5G NAS message - Extended CAG information list IE. Issue 20946. Updated Protocol Support: DCT2000, DHCP, H.248, H.265, HomePlug AV, HTTP3, IDN, IEEE 802.11, LTE RRC, NAS-5GS, PKCS12, QUIC, RTPS, SOME/IP-SD, SSH, and Thrift New and Updated Capture File Support 3GPP TS 32.423 Trace, BLF, NetScreen, and Viavi Observer |
| Wireshark (x64bit) 4.6.1 Nov 20, 2025 |
Bug Fixes: wnpa-sec-2025-05 BPv7 dissector crash. Issue 20770. wnpa-sec-2025-06 Kafka dissector crash. Issue 20823. The following bugs have been fixed: L2CAP dissector doesn’t understand retransmission mode. Issue 2241. DNS HIP dissector labels PK algorithm as HIT length. Issue 20768. clang-cl error in "packet-zbee-direct.c" Issue 20776. Writing to an LZ4-compressed output file might fail. Issue 20779. endian.h conflics with libc for building plugins. Issue 20786. TShark crash caused by Lua plugin. Issue 20794. Wireshark stalls for a few seconds when selecting specific messages. Issue 20797. TLS Abbreviated Handshake Using New Session Ticket. Issue 20802. Custom websocket dissector does not run. Issue 20803. WINREG QueryValue triggers dissector bug in packet-dcerpc.c. Issue 20813. Lua: FileHandler causing crash when reading packets. Issue 20817. Apply As Filter for field with FT_NONE and BASE_NONE for a single byte does not use the hex value. Issue 20818. Layout preference Pane 3 problem with selecting Packet Diagram or None. Issue 20819. TCP dissector creates invalid packet diagram. Issue 20820. Too many nested VLAN tags when opening as File Format. Issue 20831. Omnipeek files not working in 4.6.0. Issue 20842. Support UTF-16 strings in the IsoBus dissector for the string operations. Issue 20845. SNMP getBulkRequest request-id does not get filtered for correctly. Issue 20849. Fuzz job issue: fuzz-2025-11-12-12064814316.pcap. Issue 20852. UDP Port 853 (DoQ) should be decoded as QUIC. Issue 20856. Updated Protocol Support: 802.11 Radiotap, AC DR, ASN.1 BER, ASN.1 PER, BPv7, BT L2CAP, CFM, Darwin, DNS, DTLS, EAPOL-MKA, HTTP, HTTP3, ISObus VT, KRB5, LTP, NAS-EPS, NETDFS, NMEA 0183, P1, RPC_NETLOGON, RTSE, SGP.22, SGP.32, SMB, SNMP, TCP, TECMP, TFTP, VLAN, WINREG, X509AF, X509SAT, and ZBD |
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