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Vulnerability Database · crates.io · Package report

proc-macro2: vulnerability history, versions and safety

proc-macro2 is a package in the crates.io ecosystem. Vulert holds no vulnerabilities for it yet.

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0 vulnerabilities recorded

Nothing recorded for this package in the crates.io ecosystem.

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0 with no fix published

Every vulnerability has a patched version to move to.

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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 proc-macro2 vulnerabilities

Vulert verdict on proc-macro2 1.0.107 i

Updated on 23 Oct 2026

Good news: 1.0.107, the version you would install today, has no known vulnerabilities.

Package health score 85/100
  • Security Minor issues
  • Maintenance Sustainable
  • Popularity Key ecosystem project
  • Community Quiet

What to do: Stay on 1.0.107 or newer. This can change: a vulnerability disclosed tomorrow can affect 1.0.107 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 1.0.107 — unaffected i
  • Vulnerabilities on record 0 i
  • Highest CVSS n/a i
  • With no published fix 0 i
  • Depended on by 109,122 packages i
  • Stars 945 i
  • OpenSSF scorecard 4/10 i
  • Last release 3 months ago i
  • Licence Apache-2.0 OR MIT i

Version list, release dates, licence and dependants published by crates.io, refreshed 23 Oct 2026. Licence information is not legal advice.

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01 Versions

Which versions are affected

Every version Vulert tracks for proc-macro2, 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
1.0.107 19 Jul 2026 none Apache-2.0 OR MIT — Details →
1.0.106 21 Jan 2026 none Apache-2.0 OR MIT — Details →
1.0.105 05 Jan 2026 none Apache-2.0 OR MIT — Details →
1.0.104 27 Dec 2025 none Apache-2.0 OR MIT — Details →
1.0.103 23 Oct 2025 none Apache-2.0 OR MIT — Details →
1.0.102 22 Oct 2025 none Apache-2.0 OR MIT — Details →
1.0.101 16 Aug 2025 none Apache-2.0 OR MIT — Details →
1.0.100 16 Aug 2025 none Apache-2.0 OR MIT — Details →
1.0.99 16 Aug 2025 none Apache-2.0 OR MIT — Details →
1.0.98 16 Aug 2025 none Apache-2.0 OR MIT — Details →
1.0.97 11 Aug 2025 none Apache-2.0 OR MIT — Details →
1.0.96 10 Aug 2025 none Apache-2.0 OR MIT — Details →
1.0.95 16 Apr 2025 none Apache-2.0 OR MIT — Details →
1.0.94 03 Mar 2025 none Apache-2.0 OR MIT — Details →
1.0.93 11 Jan 2025 none Apache-2.0 OR MIT — Details →
1.0.92 21 Nov 2024 none Apache-2.0 OR MIT — Details →
1.0.91 21 Nov 2024 none Apache-2.0 OR MIT — Details →
1.0.90 21 Nov 2024 none Apache-2.0 OR MIT — Details →
1.0.89 22 Oct 2024 none Apache-2.0 OR MIT — Details →
1.0.88 16 Oct 2024 none Apache-2.0 OR MIT — Details →
1.0.87 07 Oct 2024 none Apache-2.0 OR MIT — Details →
1.0.86 21 Jun 2024 none Apache-2.0 OR MIT — Details →
1.0.85 02 Jun 2024 none Apache-2.0 OR MIT — Details →
1.0.84 25 May 2024 none Apache-2.0 OR MIT — Details →
1.0.83 19 May 2024 none Apache-2.0 OR MIT — Details →
1.0.82 07 May 2024 none Apache-2.0 OR MIT — Details →
1.0.81 17 Apr 2024 none Apache-2.0 OR MIT — Details →
1.0.80 14 Apr 2024 none Apache-2.0 OR MIT — Details →
1.0.79 12 Mar 2024 none Apache-2.0 OR MIT — Details →
1.0.78 21 Jan 2024 none Apache-2.0 OR MIT — Details →
1.0.77 21 Jan 2024 none Apache-2.0 OR MIT — Details →
1.0.76 06 Jan 2024 none Apache-2.0 OR MIT — Details →
1.0.75 03 Jan 2024 none Apache-2.0 OR MIT — Details →
1.0.74 02 Jan 2024 none Apache-2.0 OR MIT — Details →
1.0.73 01 Jan 2024 none Apache-2.0 OR MIT — Details →
1.0.72 31 Dec 2023 none Apache-2.0 OR MIT — Details →
1.0.71 21 Dec 2023 none Apache-2.0 OR MIT — Details →
1.0.70 26 Nov 2023 none Apache-2.0 OR MIT — Details →
1.0.69 09 Oct 2023 none Apache-2.0 OR MIT — Details →
1.0.68 06 Oct 2023 none Apache-2.0 OR MIT — Details →
1.0.67 13 Sep 2023 none Apache-2.0 OR MIT — Details →
1.0.66 16 Jul 2023 none Apache-2.0 OR MIT — Details →
1.0.65 15 Jul 2023 none Apache-2.0 OR MIT — Details →
1.0.64 09 Jul 2023 none Apache-2.0 OR MIT — Details →
1.0.63 25 Jun 2023 none Apache-2.0 OR MIT — Details →
1.0.62 24 Jun 2023 none Apache-2.0 OR MIT — Details →
1.0.61 24 Jun 2023 none Apache-2.0 OR MIT — Details →
1.0.60 08 Jun 2023 none Apache-2.0 OR MIT — Details →
1.0.59 25 May 2023 none Apache-2.0 OR MIT — Details →
1.0.58 17 May 2023 none Apache-2.0 OR MIT — Details →
1.0.57 15 May 2023 none Apache-2.0 OR MIT — Details →
1.0.56 03 Apr 2023 none Apache-2.0 OR MIT — Details →
1.0.55 01 Apr 2023 none Apache-2.0 OR MIT — Details →
1.0.54 26 Mar 2023 none Apache-2.0 OR MIT — Details →
1.0.53 22 Mar 2023 none Apache-2.0 OR MIT — Details →
1.0.52 12 Mar 2023 none Apache-2.0 OR MIT — Details →
1.0.51 04 Feb 2023 none Apache-2.0 OR MIT — Details →
1.0.50 16 Jan 2023 none Apache-2.0 OR MIT — Details →
1.0.49 18 Dec 2022 none Apache-2.0 OR MIT — Details →
1.0.48 17 Dec 2022 none Apache-2.0 OR MIT — Details →
1.0.47 15 Oct 2022 none Apache-2.0 OR MIT — Details →
1.0.46 29 Sep 2022 none Apache-2.0 OR MIT — Details →
1.0.45 28 Sep 2022 none Apache-2.0 OR MIT — Details →
1.0.44 24 Sep 2022 none Apache-2.0 OR MIT — Details →
1.0.43 03 Aug 2022 none Apache-2.0 OR MIT — Details →
1.0.42 25 Jul 2022 none Apache-2.0 OR MIT — Details →
1.0.41 25 Jul 2022 none Apache-2.0 OR MIT — Details →
1.0.40 20 Jun 2022 none Apache-2.0 OR MIT — Details →
1.0.39 16 May 2022 none Apache-2.0 OR MIT — Details →
1.0.38 06 May 2022 none Apache-2.0 OR MIT — Details →
1.0.37 06 Apr 2022 none Apache-2.0 OR MIT — Details →
1.0.36 27 Dec 2021 none Apache-2.0 OR MIT — Details →
1.0.35 26 Dec 2021 none Apache-2.0 OR MIT — Details →
1.0.34 14 Dec 2021 none Apache-2.0 OR MIT — Details →
1.0.33 05 Dec 2021 none Apache-2.0 OR MIT — Details →
1.0.32 26 Oct 2021 none Apache-2.0 OR MIT — Details →
1.0.31 26 Oct 2021 none Apache-2.0 OR MIT — Details →
1.0.30 12 Oct 2021 none Apache-2.0 OR MIT — Details →
1.0.29 30 Aug 2021 none Apache-2.0 OR MIT — Details →
1.0.28 23 Jul 2021 none Apache-2.0 OR MIT — Details →
1.0.27 20 May 2021 none Apache-2.0 OR MIT — Details →
1.0.26 01 Apr 2021 none Apache-2.0 OR MIT — Details →
1.0.25 01 Apr 2021 none Apache-2.0 OR MIT — Details →
1.0.24 01 Oct 2020 none Apache-2.0 OR MIT — Details →
1.0.23 26 Sep 2020 none Apache-2.0 OR MIT — Details →
1.0.22 25 Sep 2020 none Apache-2.0 OR MIT — Details →
1.0.21 09 Sep 2020 none Apache-2.0 OR MIT — Details →
1.0.20 03 Sep 2020 none Apache-2.0 OR MIT — Details →
1.0.19 20 Jul 2020 none Apache-2.0 OR MIT — Details →
1.0.18 31 May 2020 none Apache-2.0 OR MIT — Details →
1.0.17 23 May 2020 none Apache-2.0 OR MIT — Details →
1.0.16 23 May 2020 none Apache-2.0 OR MIT — Details →
1.0.15 22 May 2020 none Apache-2.0 OR MIT — Details →
1.0.14 21 May 2020 none Apache-2.0 OR MIT — Details →
1.0.13 16 May 2020 none Apache-2.0 OR MIT — Details →
1.0.12 01 May 2020 none Apache-2.0 OR MIT — Details →
1.0.11 01 May 2020 none Apache-2.0 OR MIT — Details →
1.0.10 30 Mar 2020 none Apache-2.0 OR MIT — Details →
1.0.9 24 Feb 2020 none Apache-2.0 OR MIT — Details →
1.0.8 17 Jan 2020 none Apache-2.0 OR MIT — Details →
1.0.7 01 Jan 2020 none — — Details →
1.0.6 19 Oct 2019 none — — Details →
1.0.5 04 Oct 2019 none — — Details →
1.0.4 21 Sep 2019 none — — Details →
1.0.3 07 Sep 2019 none — — Details →
1.0.2 31 Aug 2019 none — — Details →
1.0.1 16 Aug 2019 none — — Details →
1.0.0 13 Aug 2019 none — — Details →
0.4.30 08 May 2019 none — — Details →
0.4.29 28 Apr 2019 none — — Details →
0.4.28 23 Apr 2019 none — — Details →
0.4.27 31 Jan 2019 none — — Details →
0.4.26 20 Jan 2019 none — — Details →
0.4.25 16 Jan 2019 none — — Details →
0.4.24 16 Nov 2018 none — — Details →
0.4.23 11 Nov 2018 none — — Details →
0.4.22 11 Nov 2018 none — — Details →
0.4.21 08 Nov 2018 none — — Details →
0.4.20 04 Oct 2018 none — — Details →
0.4.19 08 Sep 2018 none — — Details →

The newest 120 of 163 versions Vulert tracks. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

No dated vulnerabilities are recorded for this package yet.

03 Vulnerabilities

Recorded vulnerabilities for proc-macro2

No vulnerability write-ups match this view

Search all 0 in the database →

No vulnerabilities match this view.

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 proc-macro2

Is proc-macro2 safe to use?

Vulert has no vulnerabilities on record for proc-macro2 in crates.io at this point. That is a good signal rather than a guarantee: new vulnerabilities are published for packages all the time, so the versions you actually run are still worth monitoring.

What is proc-macro2's Vulert package health score?

Vulert scores proc-macro2 85/100, which reads as healthy. 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).

Is the latest version of proc-macro2 affected?

No. 1.0.107, the version you would install today, has no vulnerabilities on record against it. Earlier releases do — the version table above lists each release with what affects it.

Which version of proc-macro2 should I use?

1.0.107 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 proc-macro2 have?

0 vulnerabilities are recorded for proc-macro2 in the crates.io ecosystem: 0 critical, 0 high, 0 medium and 0 low. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new proc-macro2 vulnerabilities disclosed?

0 vulnerabilities were recorded for proc-macro2 in the last 12 months. 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 proc-macro2 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 proc-macro2 for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the proc-macro2 version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.