CVE-2024-35420Public exploit

Local interpreter crash via crafted WebAssembly file

Published Nov 8, 2024 · Updated Nov 18, 2024

Heap overflow in WAC wace commit 385e13c allows local users to crash the interpreter with a crafted WebAssembly file. The public advisory identifies wace as the affected component but does not disclose the buffer, function, or unchecked operation behind the overflow. Exploitation requires running an attacker-supplied module locally and is documented to interrupt availability without data disclosure or modification.

CVSS severity6.2
Medium
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Heap overflow in WAC wace commit 385e13c allows local users to crash the interpreter with a crafted WebAssembly file. The public advisory identifies wace as the affected component but does not disclose the buffer, function, or unchecked operation behind the overflow. Exploitation requires running an attacker-supplied module locally and is documented to interrupt availability without data disclosure or modification.

The record

CVE
CVE-2024-35420
Published
Nov 8, 2024
Updated
Nov 18, 2024
Vendor
Kanaka
Product
WAC
Classifications
CWE-120
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 8, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 18, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=385e1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Kanaka · WACversion=385e1

Published CVSS scores

6.2CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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 exploitPublished

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Public exploit references

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

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo