---
id: CVE-2026-105838
title: >-
  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
summary: >-
  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 mor…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-125
vendor: sezero
product: libmikmod
affected:
  - libmikmod < 3.3.14
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T15:25:00.650'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105838'
references:
  - url: 'https://github.com/sezero/mikmod'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/sezero/mikmod/blob/libmikmod-3.3.13/libmikmod/loaders/load_it.c#L198
    label: disclosure@vulncheck.com
  - url: 'https://github.com/sezero/mikmod/blob/libmikmod-3.3.14/libmikmod/NEWS'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/sezero/mikmod/commit/e7c6c9e88fbe3e8af4668a2e116bb8de341383f8
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/libmikmod-before-3.3.14-heap-out-of-bounds-read-via-it-module-loader
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T14:00:19.149Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.