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fast-able is vulnerable to DoS attack through insecure methodGHSA-95hm-pr6q-298w

GHSA-95hm-pr6q-298w is a security vulnerability in fast-able. A fix is available for fast-able — see the affected versions and patch details below.

Also known asRUSTSEC-2025-0063
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 28, 2025 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🦀fast-able

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 public accessible struct SyncVec has a public safe method get_unchecked. It accept a parameter index and used in the get_unchecked without sufficient checks as mentioned here.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🦀crates.iofast-ableall versions1.13.7cargo update -p fast-able --precise 1.13.7

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for fast-able, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update fast-able to 1.13.7 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-95hm-pr6q-298w 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.

Frequently Asked Questions

The public accessible struct SyncVec has a public safe method get_unchecked. It accept a parameter index and used in the get_unchecked without sufficient checks as mentioned [here](https://doc.rust-lang.org/std/primitive.slice.html#method.get_unchecked).
O3 Security · Impact-Aware SCA

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fast-able is vulnerable to DoS attack through insecure…