CVE-2024-11991 | BDVDB-2026-258199 Detail

Internet ComputerMotoko

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.

Impact#

CAPEC-131 Resource Leak Exposure

Weaknesses#

CWE-908 Use of Uninitialized Resource

References#

Exploit#

No public exploit known

History#

Version 12024-12-09Record published in the CVE List.

Published

Published: 2024-12-09
Last modified: 2024-12-09

Vendor information

Vendor: Internet Computer
Product: Motoko

All Internet Computer vulnerabilities

Score

5.6 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 15.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 0.9.0 and <= 0.13.3
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.6 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).