CVE-2026-105838— libmikmod before 3.3.14 Heap Out-of-Bounds Read via IT Module Loader
Quick assessment
Affected
sezero libmikmod
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 libmikmod 3.3.14 版本之前，Impulse Tracker 加载器（load_it.c）中存在一个堆溢出读取漏洞。攻击者可以利用过大的模式数据（patterns）读取相邻的堆内存。攻击者可以提供一个精心构造的 IT 模块文件，其中包含超过 200 行的模式，从而导致 函数读取超出 缓冲区的边界，进而引发应用程序崩溃。
Possible ATT&CK Techniques 2 AI
T1195 · Supply Chain Compromise T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-105838
Vulnerability Information
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Vulnerability Title
libmikmod before 3.3.14 Heap Out-of-Bounds Read via IT Module Loader
Source: CVE Program / CVE List V5
Vulnerability Description
libmikmod before 3.3.14 contains a heap out-of-bounds read vulnerability in the Impulse Tracker loader load_it.c that allows attackers to read adjacent heap memory via oversized patterns. Attackers can supply a crafted IT module with more than 200 pattern rows, causing IT_ConvertTrack() to read past the itpat buffer and crash applications.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-105838
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-105838 (5)
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https://github.com/sezero/mikmod product
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https://github.com/sezero/mikmod/blob/libmikmod-3.3.13/libmikmod/loaders/load_it.c#L198 technical-description
Same Patch Batch · sezero · 2026-10-06 · 3 CVEs total
| CVE-2026-105837 | 7.8 HIGH | libmikmod before 3.3.14 Heap Buffer Overflow via DSM Loader Integer Overflow |
| CVE-2026-105839 | 7.8 HIGH | libmikmod before 3.3.14 Heap Buffer Overflow via OKT Loader OKT_doPBOD |
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V. Comments for CVE-2026-105838
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