CVE-2003-0859: The getifaddrs function in GNU libc (glibc) 2.2.4 and earlier allows local users to cause a denial of servi...

Security readout for executives and security teams

CVE-2003-0859 is an old local denial-of-service issue in GNU libc. A user who already has local access could disrupt a system by abusing how glibc handled network interface information. It is mainly relevant to very old or unsupported Linux environments. Exposure is likely limited to systems running GNU libc 2.2.4 or earlier, including legacy Linux distributions referenced by the Red Hat advisories. Modern supported distributions are unlikely to be affected, but this should be verified by package inventory. Prioritize this only if the organization still operates legacy Linux systems with local multi-user access. For modern supported fleets, the main action is verification through inventory rather than emergency response. Mitigation focus: Identify systems running glibc 2.2.4 or earlier.; Review the referenced Red Hat advisories for applicable packages.; Apply vendor-provided glibc or OS security updates..

Prepared

Jun 30, 2026, 07:58 UTC (UTC+00:00)

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