Is Substring Safe?

Substring — Nerq Trust Score 61.8/100 (C+ grade). Based on analysis of 2 trust dimensions, it is generally safe but has some concerns. Last updated: 2026-08-01.

Use Substring with some caution. Substring is a Rust crate with a Nerq Trust Score of 61.8/100 (C+), based on 3 independent data dimensions. Below the recommended threshold of 70. Security: 90/100. Popularity: 90/100. Data sourced from crates.io registry, GitHub, NVD, and RustSec advisory database. Last updated: 2026-03-21. Machine-readable data (JSON).

Is Substring safe?

CAUTION — Substring has a Nerq Trust Score of 61.8/100 (C+). It has moderate trust signals but shows some areas of concern that warrant attention. Suitable for development use — review security and maintenance signals before production deployment.

Security Analysis → Substring Privacy Report →

What is Substring's trust score?

Substring has a Nerq Trust Score of 61.8/100, earning a C+ grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.

Security
90
Popularity
90

What are the key security findings for Substring?

Substring's strongest signal is security at 90/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.

Security score: 90/100 (strong)
Popularity: 90/100 — community adoption

What is Substring and who maintains it?

AuthorUnknown
CategoryRust Crates
SourceN/A

Similar Crates by Trust Score

indexmap (63)crypto-common (63)darling_core (63)windows-core (63)oorandom (63)
See all safest Crates →

Compare

Substring vs indexmapSubstring vs crypto-commonSubstring vs darling_core

Safety Guide: Substring

What is Substring?

Substring is a Rust crate — A substring method for string types..

How to Verify Safety

Run cargo audit. Review on crates.io for activity.

You can also check the trust score via API: GET /v1/preflight?target=substring

Key Safety Concerns for Rust crate

When evaluating any Rust crate, watch for: dependency vulnerabilities, unsafe code, maintenance status.

Trust Assessment

Substring has a Nerq Trust Score of 62/100 (C+) and has not yet reached Nerq trust threshold (70+). This score is based on automated analysis of security, maintenance, community, and quality signals.

Key Takeaways

Frequently Asked Questions

Is Substring Safe?
Use with some caution. substring with a Nerq Trust Score of 61.8/100 (C+). Strongest signal: security (90/100). Score based on Security (90/100), Popularity (90/100).
What is Substring's trust score?
substring: 61.8/100 (C+). Score based on Security (90/100), Popularity (90/100). Scores update as new data becomes available. API: GET nerq.ai/v1/preflight?target=substring
What are safer alternatives to Substring?
In the Rust Crates category, more Rust crates are being analyzed — check back soon. substring scores 61.8/100.
Does Substring have known vulnerabilities?
Nerq checks Substring against NVD, OSV.dev, and registry-specific vulnerability databases. Current security score: 90/100. Run your package manager's audit command for the latest findings.
Does Substring use unsafe code?
Check Substring's crate documentation for unsafe code usage. Trust score: 61.8/100. Fewer unsafe blocks generally indicates better memory safety.
API: /v1/preflight Trust Badge API Docs

Browse Categories

See Also

Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.

We use cookies for analytics and caching. Privacy