CVE-2026-88378CWE-787

CVE-2026-88378

Critical · published September 24, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
37.9
In the wild
Unconfirmed
What it is

QuickJS commit 04be24600 contains a heap out-of-bounds write condition in JS_ReadFunctionTag().

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00448 · 37.9th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-09-24T21:17Z
References (4)
https://github.com/bellard/quickjs/issues/549 · [email protected]https://github.com/bellard/quickjs/pull/553 · [email protected]https://github.com/bellard/quickjs/pull/553/changes/42526037cfc0b2a94a875c0de0f4bbeaf597a542 · [email protected]https://github.com/bellard/quickjs/issues/549 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 26 SEP 03:27Z
    EPSS moved — → 0%
    epss
  • 24 SEP 00:00Z
    QuickJS commit 04be24600 contains a heap out-of-bounds write condition in JS_ReadFunctionTag()
    cvelistv5