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  4. CVE 2021 45697 partial read is incorrect in molecule
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Unknown severity · Source severity not reportedCVE-2021-45697GHSA-6P3C-V8VC-C244

Partial read is incorrect in moleculeCVE-2021-45697

Answer in brief

CVE-2021-45697 records a Unknown severity vulnerability in Partial read is incorrect in molecule. The current sources do not mark it as known exploited. The current feed maps molecule (crates.io). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 30, 2021Updated Oct 12, 2026Source checked Oct 12, 2026First seen by HOL Oct 12, 2026Material review Oct 12, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps molecule (crates.io). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
moleculecrates.io>=0.0.0-0 <0.7.20.7.2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for molecule.
  2. 2Review the reported fix. Update molecule to 0.7.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jul 30, 2021

    Evidence: source:osv:source_dates:source-dates:record

  2. Source modified

    Oct 12, 2026

    Evidence: source:osv:source_dates:source-dates:record

  3. First seen by HOL

    Oct 12, 2026

Sources and claim methodology

  • Source referencecrates.io
  • GitHub security advisorygithub.com
  • Source referencerustsec.org
Upstream source description

Anyone who uses total_size(..) function to partial read the length of any FixVec will get an incorrect result, due to an incorrect implementation. This has been resolved in the 0.7.2 release.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
OSV
Source checked
Oct 12, 2026
References
3 linked sources
Open source record