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CVE-2020-35868

CRITICAL

CVE-2020-35868 is a critical-severity (CVSS 9.8) vulnerability in rusqlite. O3 Security confirms whether CVE-2020-35868 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Data races in rusqlite

Published
Dec 31, 2020
Updated
Jul 9, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
🦀rusqlite

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

An issue was discovered in the rusqlite crate before 0.23.0 for Rust. Memory safety can be violated via UnlockNotification.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🦀crates.iorusqliteall versions0.23.0

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for rusqlite. 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 rusqlite to 0.23.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-35868 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 CVE-2020-35868 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 CVE-2020-35868. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

An issue was discovered in the rusqlite crate before 0.23.0 for Rust. Memory safety can be violated via UnlockNotification.
O3 Security · Impact-Aware SCA

Is CVE-2020-35868 in your dependencies?

O3 detects CVE-2020-35868 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.