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Critical · 9.8 CVE-2026-88378 EUVD-2026-86272GHSA-jww9-7qmq-6hv5

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

Published Sep 24, 2026 · Updated Sep 29, 2026 · Assigned by mitre

Description

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

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 quickjs +1 No fix yet —
Debian 13 quickjs No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 quickjs No fix yet —
Ubuntu 26.04 LTS quickjs No fix yet —
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 24.04 LTS quickjs No fix yet —

References