CVE Explorer
CVE-2025-62491
A Use-After-Free (UAF) vulnerability exists in the QuickJS engine's standard library when iterating over the global list of unhandled rejected promises (ts->rejected_promise_list).
* The function js_std_promise_rejection_check attempts to iterate over the rejected_promise_list to report unhandled rejections using a standard list loop.
* The reason for a promise rejection is processed inside the loop, including calling js_std_dump_error1(ctx, rp->reason).
* If the promise rejection
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"collectionURL":"https://bellard.org/quickjs/","defaultStatus":"unaffected","packageName":"js_std_promise_rejection_check","product":"QuickJS","vendor":"QuickJS","versions":[{"lessThan":"2025-09-13","status":"affected","version":"2025-04-26","versionType":"date"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:773469fde150d920aa9459eed8ab7b7697390ce79a814f0b938a388db7367f67 · sha256:4f61bb1ac504d59a… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"ADJACENT","baseScore":8.8,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:773469fde150d920aa9459eed8ab7b7697390ce79a814f0b938a388db7367f67 · sha256:4f61bb1ac504d59a… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:773469fde150d920aa9459eed8ab7b7697390ce79a814f0b938a388db7367f67 · sha256:4f61bb1ac504d59a… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://bellard.org/quickjs/Changelog"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:773469fde150d920aa9459eed8ab7b7697390ce79a814f0b938a388db7367f67 · sha256:4f61bb1ac504d59a… · /containers/cna/references/0
{"url":"https://issuetracker.google.com/434195203"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:773469fde150d920aa9459eed8ab7b7697390ce79a814f0b938a388db7367f67 · sha256:4f61bb1ac504d59a… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.