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Vulnerability · Published Oct 6, 2026 · Assigned by VulnCheck

CVE-2026-105838libmikmod before 3.3.14 Heap Out-of-Bounds Read via IT Module Loader

Medium 5.5

In plain English

A medium-severity out-of-bounds read in libmikmod from sezero. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 97.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libmikmodno fix listedDEBIAN-CVE-2026-105838
Debian:13libmikmodno fix listedDEBIAN-CVE-2026-105838
Debian:14libmikmod3.3.14-1DEBIAN-CVE-2026-105838
Ubuntu:22.04:LTSlibmikmodno fix listedUBUNTU-CVE-2026-105838
Ubuntu:24.04:LTSlibmikmodno fix listedUBUNTU-CVE-2026-105838
Ubuntu:26.04:LTSlibmikmodno fix listedUBUNTU-CVE-2026-105838
Ubuntu:26.10libmikmodno fix listedUBUNTU-CVE-2026-105838
Ubuntu:22.04:LTStimidityno fix listedUBUNTU-CVE-2026-105838
Ubuntu:24.04:LTStimidityno fix listedUBUNTU-CVE-2026-105838
Ubuntu:26.04:LTStimidityno fix listedUBUNTU-CVE-2026-105838
Ubuntu:26.10timidityno fix listedUBUNTU-CVE-2026-105838

Affected products (as reported)

VendorProductVersions
sezero libmikmod 0 – before 3.3.14

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References