Issues

• license: print-sunrpc.c, rpc_auth.h, rpc_msg.h shipped under the non-free Sun RPC license

  the-tcpdump-group/tcpdump#1472 · Filter by author sge-d-o opened on Nov 2, 2026

• tcpdump crashes with SIGFPE when -E names a cipher OpenSSL can't provide

  the-tcpdump-group/tcpdump#1466 · Filter by author MarkAtwood opened on Oct 9, 2026
  1

• "make releasecheck" fails to fail when FreeBSD make backwards compatibility is off

  compiling
  Bug

  the-tcpdump-group/tcpdump#1460 · Filter by author infrastation opened on Aug 31, 2026
  5

  

• detect libbfd in non-default prefix for "./configure --enable-instrument-functions"

  compiling
  Feature

  the-tcpdump-group/tcpdump#1459 · Filter by author infrastation opened on Aug 31, 2026
  2

• the use of Capsicum breaks clearing of IFF_PPROMISC for netmap interfaces

  Bug

  the-tcpdump-group/tcpdump#1458 · Filter by author infrastation opened on Aug 28, 2026
  4

• IP addresses should not be resolved when dumping "who-has" (ARP) requests

  generic support
  the-tcpdump-group/tcpdump#1448 · Filter by author enjk-54L4 opened on Jul 2, 2026
  7

• Printing 802.11 radio metadata with -e is too verbose

  Feature

  the-tcpdump-group/tcpdump#1447 · Filter by author gvanem opened on Jun 23, 2026
  5

• -C flag should put the file count *before* a file extension

  the-tcpdump-group/tcpdump#1446 · Filter by author guyharris opened on Jun 5, 2026
  5

• on QNX the once-per-second stats reporting of "-v" clashes with the default timeout of 1000ms and "-w"

  POSIX signalsQNX
  Bug

  the-tcpdump-group/tcpdump#1409 · Filter by author infrastation opened on Feb 14, 2026
  4

• crashed in the user namespace created by an unprivileged process

  Bug

  the-tcpdump-group/tcpdump#1394 · Filter by author Lanius-collaris opened on Jan 5, 2026
  9

• decrypting ESP packets with 'none' algorithm does not work

  the-tcpdump-group/tcpdump#1393 · Filter by author kawaemon opened on Jan 1, 2026

• tcpdump sometimes prints the packet hex dump twice for unsupported DLTs

  Bug

  the-tcpdump-group/tcpdump#1387 · Filter by author infrastation opened on Nov 16, 2025

• Different behavior with zero-padded interface numbers

  Bug

  the-tcpdump-group/tcpdump#1334 · Filter by author momo-trip opened on Jun 28, 2025
  5

• implement a decoder for MVRP (EtherType 0x88f5)

  improvement
  Feature

  the-tcpdump-group/tcpdump#1331 · Filter by author Gunni opened on Jun 22, 2025
  15

• tcpdump uses stub getservent() from musl libc

  Bug

  the-tcpdump-group/tcpdump#1298 · Filter by author infrastation opened on Feb 21, 2025

• [Win32] High CPU load

  runtimewindows
  the-tcpdump-group/tcpdump#1278 · Filter by author gvanem opened on Jan 12, 2025
  16

• Support eBPF live filtering on Linux

  Feature

  the-tcpdump-group/tcpdump#1234 · Filter by author ferrieux opened on Oct 27, 2024
  10

• Packet dumps get corrupt by the USR2 signal when there are outstanding packets in the input OS buffer.

  POSIX signals
  Bug

  the-tcpdump-group/tcpdump#1231 · Filter by author garrymar opened on Oct 20, 2024
  1

• [Feature request] Quiet mode for the standard error channel

  Feature

  the-tcpdump-group/tcpdump#1214 · Filter by author GD1200 opened on Sep 2, 2024
  4

• Packet-buffered mode (-U) doesn't affect packet printing

  runtime
  Bug

  the-tcpdump-group/tcpdump#1213 · Filter by author GD1200 opened on Aug 31, 2024
  10

• Add support to interpret/display packet content as UTF-8

  improvement
  Feature

  the-tcpdump-group/tcpdump#1190 · Filter by author ghost opened on May 27, 2024
  4

• tcpdump -n becomes very slow after some time if large number of IP addresses is present

  Bug

  the-tcpdump-group/tcpdump#1136 · Filter by author pspacek opened on Feb 23, 2024

• segmentation fault when using "-Z root" and "-w"

  Bug

  the-tcpdump-group/tcpdump#1103 · Filter by author deelerke opened on Nov 28, 2023
  8

• Potential memory leak in tcpdump.c

  improvement
  the-tcpdump-group/tcpdump#1091 · Filter by author icy17 opened on Oct 14, 2023
  2

• Using Linux cooked header version 2 always outputs link level data

  the-tcpdump-group/tcpdump#1077 · Filter by author AndreLuyer opened on Aug 20, 2023
  17