CVE-2026-105838
libmikmod before 3.3.14 Heap Out-of-Bounds Read via IT Module Loader
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
libmikmod before 3.3.14 Heap Out-of-Bounds Read via IT Module Loader
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.
- Record
CVE-2026-105838- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2026-93390
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.
- Record
EUVD-2026-93390- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xrff-r355-6xmr
libmikmod before 3.3.14 contains a heap out-of-bounds read vulnerability in the Impulse Tracker...
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.
- Record
GHSA-xrff-r355-6xmr- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-105838- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
libmikmod before 3.3.14 Heap Out-of-Bounds Read via IT Module Loader
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.
- Record
CVE-2026-105838- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-105838
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.
- Record
DEBIAN-CVE-2026-105838- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-105838
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.
- Record
UBUNTU-CVE-2026-105838- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVAZL-106661 No score
CVE-2026-105838 affecting package libmikmod 3.3.11.1-14
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.
- Record
AZL-106661- Updated
- 2026-11-05
OSVopenSUSE-SU-2026:22192-1 No score
Security update for libmikmod
This update for libmikmod fixes the following issues:
Changes in libmikmod:
- CVE-2026-105839: make sure that numtrk calculation fits into an UWORD (bsc#1284366)
- CVE-2026-105838: bump itpat allocation to 256, matching allowed packlen limit (bsc#1284367)
- CVE-2026-105837: make sure that numtrk calculation fits into an UWORD (bsc#1284368)
- Record
openSUSE-SU-2026:22192-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libmikmodAzure Linux:3 |
through 3.3.11.1-14 | None known |
libmikmodDebian:12 |
All versions, plus listed versions 3.3.11.1-73.3.11.1-83.3.12-13.3.13-13.3.14-1 |
None known |
libmikmodDebian:13 |
All versions, plus listed versions 3.3.13-13.3.14-1 |
None known |
libmikmodDebian:14 |
before 3.3.14-1, plus listed versions 3.3.13-1 |
3.3.14-1 |
libmikmodUbuntu:16.04:LTS |
All versions, plus listed versions 3.3.7-13.3.8-13.3.8-2 |
None known |
timidityUbuntu:16.04:LTS |
All versions, plus listed versions 2.13.2-40.2build12.13.2-40.3 |
None known |
libmikmodUbuntu:18.04:LTS |
All versions, plus listed versions 3.3.11.1-13.3.11.1-3 |
None known |
timidityUbuntu:18.04:LTS |
All versions, plus listed versions 2.13.2-40.52.13.2-41 |
None known |
libmikmodUbuntu:20.04:LTS |
All versions, plus listed versions 3.3.11.1-4 |
None known |
timidityUbuntu:20.04:LTS |
All versions, plus listed versions 2.14.0-8build1 |
None known |
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| Package | Affected | Fixed |
|---|---|---|
libmikmodUbuntu:22.04:LTS |
All versions, plus listed versions 3.3.11.1-6 |
None known |
timidityUbuntu:22.04:LTS |
All versions, plus listed versions 2.14.0-8build12.14.0-8ubuntu12.14.0-8ubuntu1.22.04.1 |
None known |
libmikmodUbuntu:24.04:LTS |
All versions, plus listed versions 3.3.11.1-73.3.11.1-7build1 |
None known |
timidityUbuntu:24.04:LTS |
All versions, plus listed versions 2.14.0-8.1ubuntu12.14.0-8.1ubuntu42.14.0-8.2ubuntu1 |
None known |
libmikmodUbuntu:26.10 |
All versions, plus listed versions 3.3.13-1build1 |
None known |
timidityUbuntu:26.10 |
All versions, plus listed versions 2.14.0-8.3ubuntu12.14.0-8.4ubuntu1 |
None known |
libmikmodUbuntu:26.04:LTS |
All versions, plus listed versions 3.3.13-13.3.13-1build1 |
None known |
timidityUbuntu:26.04:LTS |
All versions, plus listed versions 2.14.0-8.3ubuntu1 |
None known |
libmikmodopenSUSE:Leap 16.0 From an advisory covering 3 CVEs |
before 3.3.11.1-bp160.2.1 | 3.3.11.1-bp160.2.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-105838 is a medium vulnerability (CVSS 6.8) in Sezero Libmikmod, published October 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. Fixed in libmikmod 3.3.14-1.
References
github.com/sezero/mikmod/commit/e7c6c9e88fbe3e8af4668a2e116bb8de341383f8
vulncheck.com/advisories/libmikmod-before-3.3.14-heap-out-of-bounds-read-via-it-module-loader
nvd.nist.gov/vuln/detail/CVE-2026-105838
Show 11 moreShow less
security-tracker.debian.org/tracker/CVE-2026-105838
ubuntu.com/security/CVE-2026-105838
cve.org/CVERecord?id=CVE-2026-105838
bugzilla.suse.com/1284366
suse.com/security/cve/CVE-2026-105837