CVE-2013-2479: The dissect_mpls_echo_tlv_dd_map function in epan/dissectors/packet-mpls-echo.c in the MPLS Echo dissector...

Security readout for executives and security teams

CVE-2013-2479 is a denial-of-service flaw in Wireshark's MPLS Echo dissector. A malformed MPLS Echo sub-TLV can make vulnerable Wireshark 1.8.x versions before 1.8.6 loop indefinitely while parsing traffic or a capture file. The main business risk is analyst workstation disruption, not confirmed data theft or system takeover. Exposure is likely limited to environments still running Wireshark 1.8.x before 1.8.6, especially analysts opening untrusted packet captures or inspecting traffic containing MPLS Echo data. Modern installations should be unaffected if upgraded beyond the fixed release. Handle as routine but time-bound patching for affected analyst workstations and packet-analysis systems. The known impact is availability loss in Wireshark, with no source evidence of active exploitation or data compromise. Mitigation focus: Upgrade Wireshark 1.8.x installations to 1.8.6 or later.; Apply relevant operating system vendor updates, including referenced openSUSE advisories where applicable.; Avoid opening untrusted packet captures on vulnerable Wireshark builds..

Prepared

Jun 24, 2026, 11:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.