Security advisory2026-10-16Software component projectSecurity advisory

Software component issue could make the service unavailable

A flaw was found in libtirpc. An authenticated remote attacker could exploit this vulnerability by sending oversized wrapped data requests to an RPC (Remote Procedure Call) service configured with RPCSECGSS (Remote…

What happened

  • A flaw was found in libtirpc. An authenticated remote attacker could exploit this vulnerability by sending oversized wrapped data requests to an RPC (Remote Procedure Call) service configured with RPCSEC_GSS (Remote Procedure Call Security-Generic Security Service) integrity or privacy. This can lead to unbounded memory allocation, resulting in a Denial of Service (DoS) by exhausting system resources and causing the service to become unstable or terminate.Security Advisory CVE-2026-85231
  • A flaw was found in libtirpc. An authenticated remote attacker could exploit this vulnerability by sending oversized wrapped data requests to an RPC (Remote Procedure Call) service configured with RPCSECGSS (Remote Procedure Call Security-Generic Security Service) integrity or privacy.Advisory description (CVE-2026-85231)

Contributing factors stated by the source

  • A flaw was found in libtirpc. An authenticated remote attacker could exploit this vulnerability by sending oversized wrapped data requests to an RPC (Remote Procedure Call) service configured with RPCSECGSS (Remote Procedure Call Security-Generic Security Service) integrity or privacy.

The failure pattern

Watch the pattern: Retry amplification and runaway resource consumption

Related standards

CollectSEA's mapping through this incident's failure pattern; not an official determination by the standards bodies.

Building something similar?

Describe your design and see every precedent that applies, with safeguards you can hand to your coding agent.

Analyze your design
Security advisory2026-10-16

Software component issue could make the service unavailable

pupnp is an SDK for development of UPnP device and control point applications. Prior to 2.0.2, rawtoint in upnp/src/genlib/net/http/httpparser.c parses Content-Length with strtol and casts the resulting long to a 32-bit…

Retry amplification and runaway resource consumptionnvd.nist.gov