CVE-2021-45947 - Vulnerability Details - OpenCVE

Description

Wasm3 0.5.0 has an out-of-bounds write in Runtime_Release (called from EvaluateExpression and InitDataSegments).

Published: 2021-12-31

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:wasm3_project:wasm3:0.5.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-32655	Wasm3 0.5.0 has an out-of-bounds write in Runtime_Release (called from EvaluateExpression and InitDataSegments).

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00667.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33689
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wasm3/OSV-2021-689.yaml

History

No history.

Subscriptions

Wasm3 Project Wasm3

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-12-31T23:55:01.000Z

Updated: 2024-08-04T04:54:31.068Z

Reserved: 2021-12-31T00:00:00.000Z

Link: CVE-2021-45947

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-01-01T00:15:08.320

Modified: 2026-06-17T04:14:18.117

Link: CVE-2021-45947

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787
Out-of-bounds Write

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