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Critical 9.8Published Sep 24, 2026
CVE-2026-88378QuickJS commit 04be24600 contains a heap out-of-bounds write condition in JS_ReadFunctionTag().
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
QuickJS commit 04be24600 contains a heap out-of-bounds write condition in JS_ReadFunctionTag().
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 29, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
References
- https://github.com/bellard/quickjs/issues/549
- https://github.com/bellard/quickjs/pull/553
- https://github.com/bellard/quickjs/pull/553/changes/42526037cfc0b2a94a875c0de0f4bbeaf597a542
The CVE record on cve.org NVD's entry
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