CVE-2015-2154: The osi_print_cksum function in print-isoclns.c in the ethernet printer in tcpdump before 4.7.2 allows remo...

Security readout for executives and security teams

CVE-2015-2154 is a tcpdump crash bug fixed after versions before 4.7.2. A crafted packet checksum value can make tcpdump read outside expected memory and crash. The main business risk is loss or disruption of packet capture, troubleshooting, or monitoring workflows, not confirmed system takeover in the provided sources. Exposure is most likely where tcpdump or vendor-packaged tcpdump is used to inspect untrusted live traffic or packet captures. Network sensors, incident response hosts, appliances, and administrator workstations are plausible exposure points if they run affected versions. Treat this as a routine but real reliability fix for security and network operations tooling. It is not KEV-listed in the provided bundle, but an unpatched crash bug in packet analysis can reduce visibility during incidents. Mitigation focus: Upgrade tcpdump to 4.7.2 or a vendor-fixed package.; Apply relevant OS vendor advisories for Red Hat, Fedora, Debian, Ubuntu, Gentoo, Mageia, or Oracle.; Avoid processing untrusted captures with affected tcpdump builds..

Prepared

Jun 14, 2026, 05:11 UTC (UTC+00:00)

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