CVE-2016-7932: The PIM parser in tcpdump before 4.9.0 has a buffer overflow in print-pim.c:pimv2_check_checksum().

Security readout for executives and security teams

CVE-2016-7932 is a buffer overflow in tcpdump’s PIM packet parser before version 4.9.0. A crafted packet or packet capture involving PIM could potentially disrupt analysis tools using vulnerable tcpdump. There is no cited evidence of active exploitation in the provided sources. Exposure is most likely on systems running tcpdump earlier than 4.9.0, especially where tcpdump parses untrusted packet captures or live traffic containing PIM. Appliances, monitoring servers, incident response workstations, and packaged OS versions may include vulnerable tcpdump builds. Treat as a routine but important maintenance issue for monitoring and response environments. Prioritize systems that analyze untrusted network captures or multicast routing traffic. There is no provided evidence requiring emergency response. Mitigation focus: Upgrade tcpdump to version 4.9.0 or a vendor-fixed package.; Apply relevant Debian, Red Hat, or Gentoo security updates where applicable.; Avoid parsing untrusted packet captures with vulnerable tcpdump versions..

Prepared

Jun 13, 2026, 09:16 UTC (UTC+00:00)

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