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Back to active CVEs
High · CVSS 8.5CVE-2026-105839

libmikmod before 3.3.14 Heap Buffer Overflow via OKT Loader OKT_doPBODCVE-2026-105839

Answer in brief

CVE-2026-105839 records a High severity (CVSS 8.5) vulnerability in libmikmod before 3.3.14 Heap Buffer Overflow via OKT Loader OKT_doPBOD. The current sources do not mark it as known exploited. The current feed maps sezero/libmikmod (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 6, 2026Updated Oct 6, 2026Source checked Oct 6, 2026First seen by HOL Oct 6, 2026Material review Oct 6, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps sezero/libmikmod (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
sezero/libmikmodgeneric>=0 <3.3.143.3.14

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for sezero/libmikmod.
  2. 2Review the reported fix. Update sezero/libmikmod to 3.3.14 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 6, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • libmikmod before 3.3.14 Heap Buffer Overflow via DSM Loader Integer OverflowSame sezero/libmikmod package
  • libmikmod before 3.3.14 Heap Out-of-Bounds Read via IT Module LoaderSame sezero/libmikmod package
  • Cross-Site Scripting (XSS) vulnerability identified in OpenText™ Content ManagementSame generic ecosystem
  • Denial-of-service vulnerability in ESET PROTECT On-PremSame generic ecosystem
  • HortusFox < 6.2 Remote Code Execution via Theme ImportSame generic ecosystem
  • Microsoft UFO: Authenticated Android shell command injection in Mobile MCP type_text and launch_appSame generic ecosystem

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-190
Source
CVE List V5
Source checked
Oct 6, 2026
References
5 linked sources
Open source record