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Vulnerability Database · crates.io · Package report

ws: vulnerability history, versions and safety

ws is a package in the crates.io ecosystem. Vulert records 3 vulnerabilities for it across 34 releases, from Sep 2020 to Aug 2021. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

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3 vulnerabilities recorded H1 U2
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3 with no fix published

No patched version yet — these are the ones to plan around.

See the unfixed vulnerabilities →
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0 in the last 12 months

Nothing new recorded in the last year.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all ws vulnerabilities

Vulert verdict on ws 0.9.2 i

Updated on 23 Oct 2026

Careful: 0.9.2 has 3 known vulnerabilities, and 3 have no fix yet. Use an earlier safe version, or the workaround listed for each one.

Package health score 51/100
  • Security Some issues to review
  • Maintenance Slowing
  • Popularity Niche
  • Community Quiet

The current release has a vulnerability with no published fix, which caps this score.

What to do: Pin an earlier, unaffected release if you can, and apply the workaround each vulnerability lists until a fix is published. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →

  • Current release 0.9.2 — affected i
  • Vulnerabilities on record 3 over 1 year · 0 in the last year i
  • Latest disclosure 25 Aug 2021 i
  • Highest CVSS 7.5 i
  • With no published fix 3 i
  • Stars 1,495 i
  • OpenSSF scorecard 1/10 i
  • Last release 56 months ago i
  • Licence MIT i

Version list, release dates, licence and dependants published by crates.io, refreshed 22 Oct 2026. Licence information is not legal advice.

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01 Versions

Which versions are affected

Every version Vulert tracks for ws, newest first, with the vulnerabilities recorded against each one. A version showing none has no vulnerability in the Vulert database — open it for the full picture on that release.

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Version Released Vulert vulnerabilities Licence Fix published Details
0.9.2 15 Feb 2022 H1 U2 MIT No Details →
0.9.1 15 Oct 2019 H1 U2 MIT No Details →
0.9.0 29 Jul 2019 H1 U2 MIT No Details →
0.8.1 10 May 2019 H1 U2 MIT No Details →
0.8.0 21 Feb 2019 H1 U2 MIT No Details →
0.7.9 15 Oct 2018 H1 U2 MIT No Details →
0.7.8 15 Aug 2018 H1 U2 MIT No Details →
0.7.7 14 Aug 2018 H1 U2 MIT No Details →
0.7.6 27 Mar 2018 H1 U2 MIT No Details →
0.7.3 08 Jun 2017 H1 U2 MIT No Details →
0.7.2 05 Jun 2017 H1 U2 MIT No Details →
0.7.1 08 Apr 2017 H1 U2 MIT No Details →
0.7.0 30 Mar 2017 H1 U2 MIT No Details →
0.6.1 23 Mar 2017 H1 U2 MIT No Details →
0.6.0 17 Feb 2017 H1 U2 MIT No Details →
0.5.4 17 Feb 2017 H1 U2 MIT No Details →
0.5.3 05 Sep 2016 H1 U2 MIT No Details →
0.5.2 07 Aug 2016 H1 U2 MIT No Details →
0.5.1 21 Jul 2016 H1 U2 MIT No Details →
0.5.0 16 Jun 2016 H1 U2 MIT No Details →
0.4.8 28 May 2016 H1 U2 MIT No Details →
0.4.7 29 Apr 2016 H1 U2 MIT No Details →
0.4.6 18 Mar 2016 H1 U2 MIT No Details →
0.4.5 19 Feb 2016 H1 U2 MIT No Details →
0.4.4 11 Feb 2016 H1 U2 MIT No Details →
0.4.3 21 Dec 2015 H1 U2 MIT No Details →
0.4.2 15 Dec 2015 H1 U2 MIT No Details →
0.4.1 09 Dec 2015 H1 U2 MIT No Details →
0.4.0 03 Dec 2015 H1 U2 MIT No Details →
0.3.1 10 Nov 2015 H1 U2 MIT No Details →
0.3.0 03 Nov 2015 H1 U2 MIT No Details →
0.2.1 26 Sep 2015 H1 U2 MIT No Details →
0.2.0 17 Sep 2015 H1 U2 MIT No Details →
0.1.0 28 Aug 2015 H1 U2 MIT No Details →

All 34 versions Vulert tracks for this package. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2020 2
  • 2021 1

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 0 of the 3 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for ws

The 3 most severe of 3 vulnerabilities recorded for this package

Search all 3 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2020-35896: ws - Insufficient size checks leading to remote memory-consumption attack 7.5 high No fix published 25 Sep 2020
CVE-2020-35896: ws - Insufficient size checks in outgoing buffer allows remote attacker to run the process out of memory 7.5 high No fix published 25 Sep 2020
CVE-2020-35896: ws - Insufficient size checks leading to remote memory-consumption attack 7.5 high No fix published 25 Aug 2021

Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback

Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

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Questions

About ws

Is ws safe to use?

Vulert records 3 vulnerabilities for ws in crates.io: 0 critical, 1 high, 0 medium and 0 low, plus 2 not yet rated. 3 of them have no published fix yet, so those are the ones to avoid or mitigate.

What is ws's Vulert package health score?

Vulert scores ws 51/100, which reads as usable, but worth attention. The score weighs the vulnerability record (40), maintenance and release cadence (25), adoption from dependents and stars (20) and community signals such as the OpenSSF scorecard and forks (15). The current release has a vulnerability with no published fix, which caps this score.

Is the latest version of ws affected?

Yes. 0.9.2, the version you would install today, has 3 known vulnerabilities, and 3 has no published fix yet. Use an earlier unaffected release, or the workaround each vulnerability lists.

Which version of ws should I use?

0.9.2 is the version Vulert recommends for the affected releases. The version table above lists every release with the vulnerabilities recorded against it, so you can confirm the range you actually run.

How many vulnerabilities does ws have?

3 vulnerabilities are recorded for ws in the crates.io ecosystem: 0 critical, 1 high, 0 medium and 0 low, plus 2 not yet rated. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new ws vulnerabilities disclosed?

0 vulnerabilities were recorded for ws in the last 12 months, and the oldest entry in this database dates to 25 Sep 2020. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of ws are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor ws for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the ws version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.