CVE-2016-4429: Stack-based buffer overflow in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka gli...

Security readout for executives and security teams

CVE-2016-4429 is a memory-safety flaw in GNU C Library's SUNRPC UDP client code. A hostile remote server could trigger a crash, and the CVE leaves open unspecified other impact. Business urgency depends on whether deployed systems run vulnerable glibc/libc6 builds and applications using this RPC client path. Likely exposure is Linux or Unix-derived systems with vulnerable glibc/libc6 packages, or downstream products incorporating affected SUNRPC client code. Prioritize systems using RPC client functionality and packages named by vendor advisories. The supplied CVE data does not enumerate exact affected product versions. Handle as a targeted maintenance priority, not an emergency based on this evidence. Patch affected supported systems through normal security update channels, with faster action for business-critical systems where crashes would disrupt operations. Mitigation focus: Apply relevant glibc/libc6 updates from the operating system or product vendor.; Review Ubuntu, openSUSE, Debian, IBM, Oracle, and Android advisories for affected package status.; Check vendor guidance if running unsupported or embedded distributions..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

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