CVE-2022-34927Public exploit

Code execution via instrument-size integer underflow

Published Aug 3, 2022 · Updated Aug 3, 2024

Stack-based buffer overflow in MilkyTracker 1.03.00 allows context-dependent attackers to execute code through a crafted XM module file. LoaderXM::load accepts an instrument-header size below four, subtracts four from the unsigned value, and passes the underflowed length to a read into a 29-byte stack buffer. The victim must open the file in the desktop application; successful exploitation corrupts the stack and redirects program control.

CVSS severity7.8
High
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in MilkyTracker 1.03.00 allows context-dependent attackers to execute code through a crafted XM module file. LoaderXM::load accepts an instrument-header size below four, subtracts four from the unsigned value, and passes the underflowed length to a read into a 29-byte stack buffer. The victim must open the file in the desktop application; successful exploitation corrupts the stack and redirects program control.

The record

CVE
CVE-2022-34927
Published
Aug 3, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, T1203, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 3, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1203Exploitation for Client Execution
T1204.002Malicious File

Public exploit references

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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