CVE-2004-0980: Format string vulnerability in ez-ipupdate.c for ez-ipupdate 3.0.10 through 3.0.11b8, when running in daemo...

Security readout for executives and security teams

CVE-2004-0980 affects ez-ipupdate dynamic DNS clients in daemon mode. A malicious or compromised remote update server could trigger unsafe string handling and potentially run code on the client system. Exposure is likely limited to legacy systems still running vulnerable ez-ipupdate versions with affected service types. Most exposure is likely in older Linux or appliance environments using ez-ipupdate for dynamic DNS updates. Modern systems may be unaffected if the package is absent, upgraded, or not running in daemon mode with the affected service types. Treat this as a high-priority legacy exposure issue if ez-ipupdate is still used. The business urgency is highest for internet-connected infrastructure depending on dynamic DNS updates from external services. Mitigation focus: Inventory systems for ez-ipupdate versions 3.0.10 through 3.0.11b8.; Apply relevant vendor security updates from distribution advisories where applicable.; Check current package maintainer guidance before retaining legacy ez-ipupdate deployments..

Prepared

Jun 30, 2026, 02:08 UTC (UTC+00:00)

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