CVE-2026-88378

EUVD-2026-86272
QuickJS commit 04be24600 contains a heap out-of-bounds write condition in JS_ReadFunctionTag().
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 46.97%
Debian logo
Debian Releases
Debian Product
Codename
quickjs
forky
unimportant
sid
unimportant
trixie
unimportant
quickjs-ng
forky
unimportant
sid
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
quickjs
jammy
dne
noble
needs-triage
resolute
needs-triage
stonking
needs-triage
Common Weakness Enumeration
References
https://github.com/bellard/quickjs/issues/549
https://github.com/bellard/quickjs/pull/553
https://github.com/bellard/quickjs/pull/553/changes/42526037cfc0b2a94a875c0de0f4bbeaf597a542
https://github.com/bellard/quickjs/issues/549