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Vulnerability Database · OSS-Fuzz · Package report

quickjs: vulnerability history, versions and safety

quickjs is a package in the OSS-Fuzz ecosystem. Vulert records 31 vulnerabilities for it across 1 release, from Jul 2020 to May 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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31 vulnerabilities recorded H9 M21 U1
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5 with no fix published

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

See the unfixed vulnerabilities →
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8 in the last 12 months

Most recent disclosure 18 May 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all quickjs vulnerabilities

Vulert verdict on quickjs i

Updated on 23 Oct 2026

Careful: 5 of the 31 vulnerabilities Vulert records for this package have no fix yet. Plan around those, or apply the workaround listed for each. The rest have a fixed version to move to.

Long-term outlook: usable, but needs attention 31 vulnerabilities on record across 5 years, 8 in the last year.

What to do: Plan around the 5 vulnerabilities with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →

  • Vulnerabilities on record 31 over 5 years · 8 in the last year i
  • Latest disclosure 18 May 2026 i
  • Highest CVSS n/a i
  • With no published fix 5 i

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01 Versions

Which versions are affected

Every version Vulert holds for quickjs, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.

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Version Vulert vulnerabilities Fix published Details
20200316 H1 M1 Yes Details →

Newest 1 of 1 versions on record. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2020 2
  • 2022 4
  • 2023 3
  • 2024 3
  • 2025 17
  • 2026 2

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 8 of the 31 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for quickjs

The 5 most severe of 31 vulnerabilities recorded for this package

Search all 31 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Heap-buffer-overflow in emit_goto in quickjs N/A unrated No fix published 27 Mar 2024
Heap-use-after-free vulnerability in quickjs N/A high 1bf1aba3af61529a282528c8c382b5f078cce63f 22 Jul 2020
Heap-use-after-free in quickjs N/A high 3c2cfabfc74e8af1f21db93884ed1ad9b6388a8c 30 Dec 2023
Heap-Use-After-Free Vulnerability in QuickJS: Critical Security Flaw N/A high fcbf5ea2a63510f35f9ab2baadd59781be16a167 08 Nov 2025
Heap-use-after-free Vulnerability in QuickJS Package N/A high d73189dd5a582c19c565774bd56fed4e72d33c99 18 May 2026

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 quickjs

Is quickjs safe to use?

Vulert records 31 vulnerabilities for quickjs in OSS-Fuzz: 0 critical, 9 high, 21 medium and 0 low, plus 1 not yet rated. 5 of them have no published fix yet, so those are the ones to avoid or mitigate.

How many vulnerabilities does quickjs have?

31 vulnerabilities are recorded for quickjs in the OSS-Fuzz ecosystem: 0 critical, 9 high, 21 medium and 0 low, plus 1 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 quickjs vulnerabilities disclosed?

8 vulnerabilities were recorded for quickjs in the last 12 months, and the oldest entry in this database dates to 22 Jul 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 quickjs 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 quickjs for upcoming vulnerabilities?

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