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GHSA-67r5-rqwv-9p9q

array-init-cursor is unsound when used with types that implement `Drop`

Also known asRUSTSEC-2025-0019
Published
Mar 31, 2025
Updated
Oct 28, 2025
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
🦀array-init-cursor

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects crates.io packages — download data is not available via public APIs for these ecosystems.

Description

The Drop implementation will get run twice when using the cursor.

This issue does not affect you, if you are using only using the crate with types that are Copy such as u8.

This issue also does not affect you, if you are only depending on it through the crate planus.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🦀crates.ioarray-init-cursorall versions0.2.1

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for array-init-cursor. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update array-init-cursor to 0.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-67r5-rqwv-9p9q is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-67r5-rqwv-9p9q is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-67r5-rqwv-9p9q. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

The `Drop` implementation will get run twice when using the cursor. This issue does not affect you, if you are using only using the crate with types that are `Copy` such as `u8`. This issue also does not affect you, if you are only depending on it through the crate `planus`.
O3 Security · Impact-Aware SCA

Is GHSA-67r5-rqwv-9p9q in your dependencies?

O3 detects GHSA-67r5-rqwv-9p9q across crates.io dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.