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CVE-2026-111166

libmikmod through 3.3.15 Heap Out-of-Bounds Read via IMF_Load

6.8 MediumFix available

libmikmod through 3.3.15 contains a heap out-of-bounds read vulnerability in the IMF_Load() loader that allows attackers to read beyond allocated memory by supplying a crafted IMF module. Attackers can enable the linear-period header flag and map notes to out-of-range samples, causing noteindex indexing far past the heap allocation and crashing applications that load the file.

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

0.19%Unchanged since Oct 16, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.8

libmikmod through 3.3.15 Heap Out-of-Bounds Read via IMF_Load

libmikmod through 3.3.15 contains a heap out-of-bounds read vulnerability in the IMF_Load() loader that allows attackers to read beyond allocated memory by supplying a crafted IMF module. Attackers can enable the linear-period header flag and map notes to out-of-range samples, causing noteindex indexing far past the heap allocation and crashing applications that load the file.

Record
CVE-2026-111166
CVSS 4.0
6.8 MediumCVSS: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 MediumCVSS: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-2026-102293 6.8

libmikmod through 3.3.15 contains a heap out-of-bounds read vulnerability in the IMF_Load() loader that allows attackers to read beyond allocated memory by supplying a crafted IMF module. Attackers can enable the linear-period header flag and map notes to out-of-range samples, causing noteindex indexing far past the heap allocation and crashing applications that load the file.

Record
EUVD-2026-102293
CVSS 4.0
6.8 MediumCVSS: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-pcxh-23x2-w962 6.8

libmikmod through 3.3.15 contains a heap out-of-bounds read vulnerability in the IMF_Load()...

libmikmod through 3.3.15 contains a heap out-of-bounds read vulnerability in the IMF_Load() loader that allows attackers to read beyond allocated memory by supplying a crafted IMF module. Attackers can enable the linear-period header flag and map notes to out-of-range samples, causing noteindex indexing far past the heap allocation and crashing applications that load the file.

Record
GHSA-pcxh-23x2-w962
CVSS 4.0
6.8 MediumCVSS: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 MediumCVSS: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 6.8

libmikmod through 3.3.15 contains a heap out-of-bounds read vulnerability in the IMF_Load() loader that allows attackers to read beyond allocated memory by supplying a crafted IMF module. Attackers can enable the linear-period header flag and map notes to out-of-range samples, causing noteindex indexing far past the heap allocation and crashing applications that load the file.

Record
CVE-2026-111166
CVSS 4.0
6.8 MediumCVSS: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 MediumCVSS: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 6.8

libmikmod through 3.3.15 Heap Out-of-Bounds Read via IMF_Load

libmikmod through 3.3.15 contains a heap out-of-bounds read vulnerability in the IMF_Load() loader that allows attackers to read beyond allocated memory by supplying a crafted IMF module. Attackers can enable the linear-period header flag and map notes to out-of-range samples, causing noteindex indexing far past the heap allocation and crashing applications that load the file.

Record
CVE-2026-111166
CVSS 4.0
6.8 MediumCVSS: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-2026-111166 6.8

libmikmod through 3.3.15 contains a heap out-of-bounds read vulnerability in the IMF_Load() loader that allows attackers to read beyond allocated memory by supplying a crafted IMF module. Attackers can enable the linear-period header flag and map notes to out-of-range samples, causing noteindex indexing far past the heap allocation and crashing applications that load the file.

Record
DEBIAN-CVE-2026-111166
CVSS 4.0
6.8 MediumCVSS: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-2026-111166 6.8

libmikmod through 3.3.15 contains a heap out-of-bounds read vulnerability in the IMF_Load() loader that allows attackers to read beyond allocated memory by supplying a crafted IMF module. Attackers can enable the linear-period header flag and map notes to out-of-range samples, causing noteindex indexing far past the heap allocation and crashing applications that load the file.

Record
UBUNTU-CVE-2026-111166
CVSS 4.0
6.8 MediumCVSS: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 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVAZL-108266 No score

CVE-2026-111166 affecting package libmikmod 3.3.11.1-14

libmikmod through 3.3.15 contains a heap out-of-bounds read vulnerability in the IMF_Load() loader that allows attackers to read beyond allocated memory by supplying a crafted IMF module. Attackers can enable the linear-period header flag and map notes to out-of-range samples, causing noteindex indexing far past the heap allocation and crashing applications that load the file.

Record
AZL-108266
Updated
2026-11-05
OSVopenSUSE-SU-2026:12331-1 No score

libmikmod-devel-3.3.16-1.1 on GA media

These are all security issues fixed in the libmikmod-devel-3.3.16-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12331-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libmikmod
Azure Linux:3
 through 3.3.11.1-14 None known
libmikmod
Debian:12
 All versions, plus listed versions
3.3.11.1-73.3.11.1-83.3.12-13.3.13-13.3.14-13.3.15-13.3.16-1
 None known
libmikmod
Debian:13
 All versions, plus listed versions
3.3.13-13.3.14-13.3.15-13.3.16-1
 None known
libmikmod
Debian:14
 before 3.3.16-1, plus listed versions
3.3.13-13.3.14-13.3.15-1
3.3.16-1
libmikmod
Ubuntu:16.04:LTS
 All versions, plus listed versions
3.3.7-13.3.8-13.3.8-2
 None known
libmikmod
Ubuntu:18.04:LTS
 All versions, plus listed versions
3.3.11.1-13.3.11.1-3
 None known
libmikmod
Ubuntu:20.04:LTS
 All versions, plus listed versions
3.3.11.1-4
 None known
libmikmod
Ubuntu:22.04:LTS
 All versions, plus listed versions
3.3.11.1-6
 None known
libmikmod
Ubuntu:24.04:LTS
 All versions, plus listed versions
3.3.11.1-73.3.11.1-7build1
 None known
libmikmod
Ubuntu:26.10
 All versions, plus listed versions
3.3.13-1build1
 None known
libmikmod
Ubuntu:26.04:LTS
 All versions, plus listed versions
3.3.13-13.3.13-1build1
 None known
libmikmod
openSUSE:Tumbleweed
From an advisory covering 2 CVEs
 before 3.3.16-1.1
3.3.16-1.1

History

History
RecordedChangedSources
affected
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-111166 is a medium vulnerability (CVSS 6.8) in Sezero Libmikmod, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 9th percentile. Fixed in libmikmod 3.3.16-1.

References

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