CVE-2024-11991

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Motoko's incremental garbage collector is impacted by an uninitialized memory access bug, caused by incorrect use of write barriers in a few locations. This vulnerability could potentially allow unauthorized read or write access to a Canister's memory. However, exploiting this bug requires the Canister to enable the incremental garbage collector or enhanced orthogonal persistence, which are non-default features in Motoko.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-908

Affected software

No affected versions have been published.

Timeline

Published: Dec 9, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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