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Vulnerability Database · npm · Package report

browserslist: vulnerability history, versions and safety

browserslist is a package in the npm ecosystem. Vulert records 3 vulnerabilities for it across 112 releases, from May 2021 to Sep 2026. 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 H2 M1
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0 with no fix published

Every vulnerability has a patched version to move to.

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2 in the last 12 months

Most recent disclosure 01 Sep 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all browserslist vulnerabilities

Vulert verdict on browserslist 4.29.4 i

Updated on 22 Oct 2026

Good news: 4.29.4, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 3.

Package health score 84/100
  • Security Minor issues
  • Maintenance Sustainable
  • Popularity Key ecosystem project
  • Community Moderate

What to do: Stay on 4.29.4 or newer. This can change: a vulnerability disclosed tomorrow can affect 4.29.4 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 4.29.4 — unaffected i
  • Vulnerabilities on record 3 over 5 years · 2 in the last year i
  • Latest disclosure 01 Sep 2026 i
  • Highest CVSS 7.5 i
  • With no published fix 0 i
  • Depended on by 191,454 packages i
  • Stars 13,571 i
  • OpenSSF scorecard 5/10 i
  • Last release this month i
  • Licence MIT i

Version list, release dates, licence and dependants published by the npm registry, 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 browserslist, 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
4.29.4 19 Oct 2026 none MIT — Details →
4.29.3 29 Sep 2026 none MIT — Details →
4.29.2 28 Sep 2026 none MIT — Details →
4.29.1 24 Sep 2026 none MIT — Details →
4.29.0 15 Sep 2026 none MIT — Details →
4.28.9 04 Sep 2026 none MIT — Details →
4.28.8 08 Aug 2026 none MIT — Details →
4.28.7 21 Jul 2026 none MIT — Details →
4.28.6 11 Jul 2026 H2 MIT Yes Details →
4.28.5 06 Jul 2026 H2 MIT Yes Details →
4.28.4 22 Jun 2026 H2 MIT Yes Details →
4.28.3 22 Jun 2026 H2 MIT Yes Details →
4.28.2 31 Mar 2026 H2 MIT Yes Details →
4.28.1 03 Dec 2025 H2 MIT Yes Details →
4.28.0 10 Nov 2025 H2 MIT Yes Details →
4.27.0 22 Oct 2025 H2 MIT Yes Details →
4.26.3 01 Oct 2025 H2 MIT Yes Details →
4.26.2 16 Sep 2025 H2 MIT Yes Details →
4.26.1 16 Sep 2025 H2 MIT Yes Details →
4.26.0 12 Sep 2025 H2 MIT Yes Details →
4.25.4 28 Aug 2025 H2 MIT Yes Details →
4.25.3 18 Aug 2025 H2 MIT Yes Details →
4.25.2 09 Aug 2025 H2 MIT Yes Details →
4.25.1 25 Jun 2025 H2 MIT Yes Details →
4.25.0 29 May 2025 H2 MIT Yes Details →
4.24.5 02 May 2025 H2 MIT Yes Details →
4.24.4 08 Jan 2025 H2 MIT Yes Details →
4.24.3 13 Dec 2024 H2 MIT Yes Details →
4.24.2 21 Oct 2024 H2 MIT Yes Details →
4.24.1 21 Oct 2024 H2 MIT Yes Details →
4.24.0 25 Sep 2024 H2 MIT Yes Details →
4.23.3 01 Aug 2024 H2 MIT Yes Details →
4.23.2 09 Jul 2024 H2 MIT Yes Details →
4.23.1 08 Jun 2024 H2 MIT Yes Details →
4.23.0 14 Feb 2024 H2 MIT Yes Details →
4.22.3 26 Jan 2024 H2 MIT Yes Details →
4.22.2 03 Dec 2023 H2 MIT Yes Details →
4.22.1 28 Sep 2023 H2 MIT Yes Details →
4.22.0 26 Sep 2023 H2 MIT Yes Details →
4.21.11 21 Sep 2023 H2 MIT Yes Details →
4.21.10 30 Jul 2023 H2 MIT Yes Details →
4.21.9 15 Jun 2023 H2 MIT Yes Details →
4.21.8 12 Jun 2023 H2 MIT Yes Details →
4.21.7 29 May 2023 H2 MIT Yes Details →
4.21.6 28 May 2023 H2 MIT Yes Details →
4.21.5 30 Jan 2023 H2 MIT Yes Details →
4.21.4 15 Sep 2022 H2 MIT Yes Details →
4.21.3 27 Jul 2022 H2 MIT Yes Details →
4.21.2 13 Jul 2022 H2 MIT Yes Details →
4.21.1 28 Jun 2022 H2 MIT Yes Details →
4.21.0 21 Jun 2022 H2 MIT Yes Details →
4.20.4 07 Jun 2022 H2 MIT Yes Details →
4.20.3 24 Apr 2022 H2 MIT Yes Details →
4.20.2 15 Mar 2022 H2 MIT Yes Details →
4.20.1 15 Mar 2022 H2 MIT Yes Details →
4.20.0 06 Mar 2022 H2 MIT Yes Details →
4.19.3 19 Feb 2022 H2 MIT Yes Details →
4.19.2 18 Feb 2022 H2 MIT Yes Details →
4.19.1 14 Dec 2021 H2 MIT Yes Details →
4.19.0 14 Dec 2021 H2 MIT Yes Details →
4.18.1 15 Nov 2021 H2 MIT Yes Details →
4.18.0 14 Nov 2021 H2 MIT Yes Details →
4.17.6 02 Nov 2021 H2 MIT Yes Details →
4.17.5 23 Oct 2021 H2 MIT Yes Details →
4.17.4 13 Oct 2021 H2 MIT Yes Details →
4.17.3 04 Oct 2021 H2 MIT Yes Details →
4.17.2 30 Sep 2021 H2 MIT Yes Details →
4.17.1 22 Sep 2021 H2 MIT Yes Details →
4.17.0 05 Sep 2021 H2 MIT Yes Details →
4.16.8 18 Aug 2021 H2 MIT Yes Details →
4.16.7 03 Aug 2021 H2 MIT Yes Details →
4.16.6 30 Apr 2021 H2 MIT Yes Details →
4.16.5 22 Apr 2021 H2 MIT Yes Details →
4.16.4 12 Apr 2021 H2 M1 MIT Yes Details →
4.16.3 31 Jan 2021 H2 M1 MIT Yes Details →
4.16.2 31 Jan 2021 H2 M1 MIT Yes Details →
4.16.1 06 Jan 2021 H2 M1 MIT Yes Details →
4.16.0 10 Dec 2020 H2 M1 MIT Yes Details →
4.15.0 01 Dec 2020 H2 M1 MIT Yes Details →
4.14.7 09 Nov 2020 H2 M1 MIT Yes Details →
4.14.6 01 Nov 2020 H2 M1 MIT Yes Details →
4.14.5 25 Sep 2020 H2 M1 MIT Yes Details →
4.14.4 22 Sep 2020 H2 M1 MIT Yes Details →
4.14.3 17 Sep 2020 H2 M1 MIT Yes Details →
4.14.2 09 Sep 2020 H2 M1 MIT Yes Details →
4.14.1 04 Sep 2020 H2 M1 MIT Yes Details →
4.14.0 06 Aug 2020 H2 M1 MIT Yes Details →
4.13.0 05 Jul 2020 H2 M1 MIT Yes Details →
4.12.2 26 Jun 2020 H2 M1 MIT Yes Details →
4.12.1 24 Jun 2020 H2 M1 MIT Yes Details →
4.12.0 20 Apr 2020 H2 M1 MIT Yes Details →
4.11.1 30 Mar 2020 H2 M1 MIT Yes Details →
4.11.0 22 Mar 2020 H2 M1 MIT Yes Details →
4.10.0 19 Mar 2020 H2 M1 MIT Yes Details →
4.9.1 29 Feb 2020 H2 M1 MIT Yes Details →
4.9.0 26 Feb 2020 H2 M1 MIT Yes Details →
4.8.7 13 Feb 2020 H2 M1 MIT Yes Details →
4.8.6 30 Jan 2020 H2 M1 MIT Yes Details →
4.8.5 21 Jan 2020 H2 M1 MIT Yes Details →
4.8.4 20 Jan 2020 H2 M1 MIT Yes Details →
4.8.3 03 Jan 2020 H2 M1 — Yes Details →
4.8.2 05 Dec 2019 H2 M1 — Yes Details →
4.8.1 05 Dec 2019 H2 M1 — Yes Details →
4.8.0 30 Nov 2019 H2 M1 — Yes Details →
4.7.3 18 Nov 2019 H2 M1 — Yes Details →
4.7.2 24 Oct 2019 H2 M1 — Yes Details →
4.7.1 17 Oct 2019 H2 M1 — Yes Details →
4.7.0 31 Aug 2019 H2 M1 — Yes Details →
4.6.6 14 Jul 2019 H2 M1 — Yes Details →
4.6.5 14 Jul 2019 H2 M1 — Yes Details →
4.6.4 08 Jul 2019 H2 M1 — Yes Details →
4.6.3 18 Jun 2019 H2 M1 — Yes Details →
4.6.2 07 Jun 2019 H2 M1 — Yes Details →
4.6.1 28 May 2019 H2 M1 — Yes Details →
4.6.0 14 May 2019 H2 M1 — Yes Details →
4.5.6 30 Apr 2019 H2 M1 — Yes Details →
4.5.5 16 Apr 2019 H2 M1 — Yes Details →
4.5.4 02 Apr 2019 H2 M1 — Yes Details →
4.5.3 29 Mar 2019 H2 M1 — Yes Details →
4.5.2 20 Mar 2019 H2 M1 — Yes Details →

The newest 120 of 222 versions Vulert tracks. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2021 1
  • 2026 2

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 2 of the 3 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for browserslist

The 3 most severe of 3 vulnerabilities recorded for this package

Search all 3 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2026-73088: Browserslist Uncaught Crash and Prototype Write via Untrusted browserslist-stats.json Custom Stats 7.5 high 4.28.7 01 Sep 2026
CVE-2026-73089: Browserslist Unbounded Memory Growth Leading to OOM 7.5 high 4.28.7 01 Sep 2026
CVE-2021-23364: Regular Expression Denial of Service in browserslist 5.3 medium 4.16.5 24 May 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: 22/Oct/2026 · Vulnerabilities in our DB: 524173

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Questions

About browserslist

Is browserslist safe to use?

Vulert records 3 vulnerabilities for browserslist in npm: 0 critical, 2 high, 1 medium and 0 low. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

What is browserslist's Vulert package health score?

Vulert scores browserslist 84/100, which reads as in good shape. 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 browserslist affected?

No. 4.29.4, 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.

How many vulnerabilities does browserslist have?

3 vulnerabilities are recorded for browserslist in the npm ecosystem: 0 critical, 2 high, 1 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 browserslist vulnerabilities disclosed?

2 vulnerabilities were recorded for browserslist in the last 12 months, and the oldest entry in this database dates to 24 May 2021. 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 browserslist 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 browserslist for upcoming vulnerabilities?

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