CVE-2024-32673

Runtime crash via empty parser stack access

Published Jul 3, 2024 · Updated Aug 16, 2024

Improper array-index validation in Samsung Open Source Walrus before commit 72c7230 allows local users to crash the runtime. WASMParser.cpp pops or reads the back element of an empty m_vmStack while parsing malformed WebAssembly instructions, such as a function without an end opcode. Execution of a crafted module is required; the documented consequence is a segmentation fault that interrupts only the Walrus process.

CVSS severity6.7
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper array-index validation in Samsung Open Source Walrus before commit 72c7230 allows local users to crash the runtime. WASMParser.cpp pops or reads the back element of an empty m_vmStack while parsing malformed WebAssembly instructions, such as a function without an end opcode. Execution of a crafted module is required; the documented consequence is a segmentation fault that interrupts only the Walrus process.

The record

CVE
CVE-2024-32673
Published
Jul 3, 2024
Updated
Aug 16, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-129, CAPEC-100, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 3, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5Samsung PSIRTCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.7Samsung PSIRTCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Clear

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-129Improper Validation of Array Index
CAPEC-100Overflow Buffers
T1204.002Malicious File

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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