Konstanty Bialkowski libmodplug up to 0.8.9.1 DSM file src/load_dsm.cpp CSoundFile::ReadDSM nPat out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k1.61

Summaryinfo

A vulnerability classified as problematic was found in Konstanty Bialkowski libmodplug up to 0.8.9.1. Affected by this issue is the function CSoundFile::ReadDSM of the file src/load_dsm.cpp of the component DSM file Handler. Such manipulation of the argument nPat leads to out-of-bounds write. This vulnerability is listed as CVE-2026-111270. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Konstanty Bialkowski libmodplug up to 0.8.9.1. It has been rated as problematic. Affected by this issue is the function CSoundFile::ReadDSM of the file src/load_dsm.cpp of the component DSM file Handler. The manipulation of the argument nPat with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is integrity, and availability. CVE summarizes:

libmodplug through 0.8.9.1 contains a heap-based out-of-bounds write in CSoundFile::ReadDSM() in src/load_dsm.cpp because nPat is never checked against MAX_PATTERNS. Attackers can supply a crafted DSM file with over 240 PATT chunks or a wrapping patt_len value to corrupt heap memory and crash the consuming process.

The advisory is available at hackmd.io. This vulnerability is handled as CVE-2026-111270 since 10/15/2026. The exploitation is known to be easy. Local access is required to approach this attack. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.9
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/15/2026 Advisory disclosed
10/15/2026 +0 days CVE reserved
10/15/2026 +0 days VulDB entry created
10/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: hackmd.io
Status: Not defined

CVE: CVE-2026-111270 (🔒)
GCVE (CVE): GCVE-0-2026-111270
GCVE (VulDB): GCVE-100-420938

Entryinfo

Created: 10/16/2026 00:04
Changes: 10/16/2026 00:04 (76)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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