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Advisory record · RUSTSEC-2026-0302

`stack-graphs` C API exports are safe `extern "C"` functions

No CVSS score

Published by OSV at 22 Sept 2026, 12:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
stack-graphscrates.io>=0.0.3-0No fixed version yet
Identifiers
RUSTSEC-2026-0302
Published
22 Sept 2026
Updated
22 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The stack-graphs crate (crates.io), versions 0.0.3 and later, exposes C API functions in its public c module that take raw pointers but are declared as safe Rust functions. Safe Rust code can call them with a null pointer, and passing null to a free function such as sg_stack_graph_free causes undefined behavior. No fixed version is listed, and the upstream repository is archived, so no patched release exists. The source gives no workaround beyond avoiding calls to these functions with invalid pointers.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 31 Oct 2026, 14:24 UTC First seen by agentprime
  2. 31 Oct 2026, 14:24 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.