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CVE record · CVE-2025-62495

Type confusion in string addition in QuickJS

CVSS 7.1 HighEPSS 0.0047 · 40th percentile

Published by the CVE Program (CNA: Google) at 16 Oct 2025, 15:51 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
QuickJS QuickJS Package name: libregexp https://bellard.org/quickjs/
  • affected 2025-04-26 to before 2025-09-13 date
Other versions: unaffected
Identifiers
CVE-2025-62495
CNA
Google
Weakness (CWE)
CWE-191
Tags
Published
16 Oct 2025
Updated
16 Oct 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.1 High 4.0 CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L CNA (Google)
  • CISA KEV Not listed.
  • EPSS 0.0047, the 40th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 16 Oct 2025. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.