CVE-2015-0261: Integer signedness error in the mobility_opt_print function in the IPv6 mobility printer in tcpdump before...

Security readout for executives and security teams

CVE-2015-0261 is a tcpdump packet-printing bug. A malicious IPv6 mobility option could make vulnerable tcpdump versions before 4.7.2 read outside valid memory and crash, with possible arbitrary code execution noted by the CVE description. This mainly matters where staff or systems inspect untrusted network traffic or capture files. Exposure is likely on Unix/Linux systems, security workstations, network monitoring hosts, and appliances running tcpdump before 4.7.2 or vendor backports. Internet-facing service exposure is not the main model; the risk is triggered through packet parsing of crafted IPv6 mobility traffic or capture data. Prioritize routine remediation, especially for security operations and network troubleshooting systems. This is not shown as actively exploited in the provided sources, but tcpdump commonly handles untrusted traffic, and public vulnerability details have existed since 2015. Mitigation focus: Upgrade tcpdump to 4.7.2 or a vendor-fixed package.; Apply applicable OS advisories from Debian, Ubuntu, Fedora, Red Hat, Gentoo, Mageia, or similar vendors.; Avoid processing untrusted packet captures with vulnerable tcpdump until remediated..

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.