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CVE-2026-108577

Konstanty Bialkowski libmodplug ABC Music Format load_abc.cpp abc_add_gchord resource consumption

5.3 Medium

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

0.29%Unchanged since Oct 12, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.3

Konstanty Bialkowski libmodplug ABC Music Format load_abc.cpp abc_add_gchord resource consumption

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Record
CVE-2026-108577
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
CVSS 3.0
4.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
CVSS 2.0
5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:C
Weakness
CWE-400, CWE-404
Updated
2026-11-02
EUVDEUVD-2026-96926 5.3

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Record
EUVD-2026-96926
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Updated
2026-11-02
GitHub AdvisoriesGHSA-252h-2265-gp6c 2.1

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue...

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Record
GHSA-252h-2265-gp6c
CVSS 4.0
2.1 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Weakness
CWE-400
Updated
2026-11-02
NVD 2.1

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Record
CVE-2026-108577
CVSS 4.0
2.1 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-400, CWE-404
Updated
2026-11-02
OSVDEBIAN-CVE-2026-108577 2.1

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Record
DEBIAN-CVE-2026-108577
CVSS 4.0
2.1 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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-2026-108577 2.1

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Record
UBUNTU-CVE-2026-108577
CVSS 4.0
2.1 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
Updated
2026-11-02
OSVAZL-108056 No score

CVE-2026-108577 affecting package libmodplug 0.8.9.0-12

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Record
AZL-108056
Updated
2026-11-05
OSVopenSUSE-SU-2026:12215-1 No score

libmodplug-devel-0.8.9.0+git20170610.f6dd59a-4.1 on GA media

These are all security issues fixed in the libmodplug-devel-0.8.9.0+git20170610.f6dd59a-4.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12215-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:22165-1 No score

Security update for libmodplug

This update for libmodplug fixes the following issues:

Changes in libmodplug:

  • CVE-2026-108577: This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption [bsc#1284977]
  • CVE-2026-111270: a heap-based out-of-bounds write in CSoundFile:ReadDSM() in src/load_dsm.cpp because nPat is never checked against MAX_PATTERNS [bsc#1285765]
  • CVE-2026-111271: a heap-based out-of-bounds read vulnerability in CSoundFile:ReadAMS2() in src/load_ams.cpp [bsc#1285766]
  • CVE-2026-75904: libmodplug through 0.8.9.1 contains an out-of-bounds read in pat_smplooped in src/load_pat.cpp [bsc#1275624]
Record
openSUSE-SU-2026:22165-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libmodplug
Azure Linux:3
through 0.8.9.0-12 None known
libmodplug
Debian:12
All versions, plus listed versions
1:0.8.9.0-31:0.8.9.0-4
None known
libmodplug
Debian:13
All versions, plus listed versions
1:0.8.9.0-31:0.8.9.0-4
None known
libmodplug
Debian:14
All versions, plus listed versions
1:0.8.9.0-31:0.8.9.0-4
None known
libmodplug
Ubuntu:14.04:LTS
All versions, plus listed versions
1:0.8.8.4-41:0.8.8.4-4.1
None known
libmodplug
Ubuntu:16.04:LTS
All versions, plus listed versions
1:0.8.8.5-2
None known
libmodplug
Ubuntu:18.04:LTS
All versions, plus listed versions
1:0.8.9.0-1
None known
libmodplug
Ubuntu:20.04:LTS
All versions, plus listed versions
1:0.8.9.0-21:0.8.9.0-2build1
None known
libmodplug
Ubuntu:22.04:LTS
All versions, plus listed versions
1:0.8.9.0-3
None known
libmodplug
Ubuntu:24.04:LTS
All versions, plus listed versions
1:0.8.9.0-31:0.8.9.0-3build1
None known
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Affected packages
PackageAffectedFixed
libmodplug
Ubuntu:26.10
All versions, plus listed versions
1:0.8.9.0-3build2
None known
libmodplug
Ubuntu:26.04:LTS
All versions, plus listed versions
1:0.8.9.0-3build11:0.8.9.0-3build2
None known
libmodplug
openSUSE:Tumbleweed
From an advisory covering 4 CVEs
before 0.8.9.0+git20170610.f6dd59a-4.1
0.8.9.0+git20170610.f6dd59a-4.1
libmodplug
openSUSE:Leap 16.0
From an advisory covering 4 CVEs
before 0.8.9.0+git20170610.f6dd59a-bp160.2.1
0.8.9.0+git20170610.f6dd59a-bp160.2.1

History

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

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

In short

CVE-2026-108577 is a medium vulnerability (CVSS 5.3) in Konstanty Bialkowski Libmodplug, published October 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.

References

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