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CVE-2026-111155

libTiMidity through 0.2.8 Out-of-Bounds Read via SoundFont Loader sndfont.c

6.9 Medium

libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont loader in src/sndfont.c that uses unvalidated sampleId and instrument generator values as table indices. Attackers can supply a crafted .sf2 file loaded through mid_set_soundfont() to read heap memory out of bounds and crash the application.

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
Low
Integrity
None
Availability
High

Exploit likelihood

0.13%Unchanged since Oct 16, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.9

libTiMidity through 0.2.8 Out-of-Bounds Read via SoundFont Loader sndfont.c

libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont loader in src/sndfont.c that uses unvalidated sampleId and instrument generator values as table indices. Attackers can supply a crafted .sf2 file loaded through mid_set_soundfont() to read heap memory out of bounds and crash the application.

Record
CVE-2026-111155
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
EUVDEUVD-2026-102282 6.9

libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont loader in src/sndfont.c that uses unvalidated sampleId and instrument generator values as table indices. Attackers can supply a crafted .sf2 file loaded through mid_set_soundfont() to read heap memory out of bounds and crash the application.

Record
EUVD-2026-102282
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-g425-c86q-2452 6.9

libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont...

libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont loader in src/sndfont.c that uses unvalidated sampleId and instrument generator values as table indices. Attackers can supply a crafted .sf2 file loaded through mid_set_soundfont() to read heap memory out of bounds and crash the application.

Record
GHSA-g425-c86q-2452
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/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
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
NVD 6.9

libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont loader in src/sndfont.c that uses unvalidated sampleId and instrument generator values as table indices. Attackers can supply a crafted .sf2 file loaded through mid_set_soundfont() to read heap memory out of bounds and crash the application.

Record
CVE-2026-111155
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/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
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
OSV 6.9

libTiMidity through 0.2.8 Out-of-Bounds Read via SoundFont Loader sndfont.c

libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont loader in src/sndfont.c that uses unvalidated sampleId and instrument generator values as table indices. Attackers can supply a crafted .sf2 file loaded through mid_set_soundfont() to read heap memory out of bounds and crash the application.

Record
CVE-2026-111155
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-125
Updated
2026-11-02
OSVDEBIAN-CVE-2026-111155 6.9

libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont loader in src/sndfont.c that uses unvalidated sampleId and instrument generator values as table indices. Attackers can supply a crafted .sf2 file loaded through mid_set_soundfont() to read heap memory out of bounds and crash the application.

Record
DEBIAN-CVE-2026-111155
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/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-2026-111155 6.9

libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont loader in src/sndfont.c that uses unvalidated sampleId and instrument generator values as table indices. Attackers can supply a crafted .sf2 file loaded through mid_set_soundfont() to read heap memory out of bounds and crash the application.

Record
UBUNTU-CVE-2026-111155
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
timidity
Debian:12
 All versions, plus listed versions
2.14.0-8.12.14.0-8.22.14.0-8.32.14.0-8.42.14.0-8.5
 None known
timidity
Debian:13
 All versions, plus listed versions
2.14.0-8.32.14.0-8.42.14.0-8.5
 None known
timidity
Debian:14
 All versions, plus listed versions
2.14.0-8.32.14.0-8.42.14.0-8.5
 None known
timidity
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.13.2-40.2build12.13.2-40.3
 None known
timidity
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.13.2-40.52.13.2-41
 None known
timidity
Ubuntu:20.04:LTS
 All versions, plus listed versions
2.14.0-8build1
 None known
timidity
Ubuntu:22.04:LTS
 All versions, plus listed versions
2.14.0-8build12.14.0-8ubuntu12.14.0-8ubuntu1.22.04.1
 None known
timidity
Ubuntu:24.04:LTS
 All versions, plus listed versions
2.14.0-8.1ubuntu12.14.0-8.1ubuntu42.14.0-8.2ubuntu1
 None known
timidity
Ubuntu:26.10
 All versions, plus listed versions
2.14.0-8.3ubuntu12.14.0-8.4ubuntu1
 None known
timidity
Ubuntu:26.04:LTS
 All versions, plus listed versions
2.14.0-8.3ubuntu1
 None known

History

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

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

In short

CVE-2026-111155 is a medium vulnerability (CVSS 6.9) in Sezero Libtimidity, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. No source names a fixed version.

References

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