Vulnerability Description
QuickJS commit 04be24600 contains a heap out-of-bounds write condition in JS_ReadFunctionTag().
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Related Weaknesses (CWE)
References
- https://github.com/bellard/quickjs/issues/549
- https://github.com/bellard/quickjs/pull/553
- https://github.com/bellard/quickjs/pull/553/changes/42526037cfc0b2a94a875c0de0f4
- https://github.com/bellard/quickjs/issues/549
FAQ
What is CVE-2026-88378?
CVE-2026-88378 is a vulnerability with a CVSS score of 9.8 (CRITICAL). QuickJS commit 04be24600 contains a heap out-of-bounds write condition in JS_ReadFunctionTag().
How severe is CVE-2026-88378?
CVE-2026-88378 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-88378?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.