CVE-2026-110875

AdPlug through 2.4 Heap Buffer Overflow via CksmPlayer::update in ksm.cpp

6.9 Medium

AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp that writes past the fixed databuf[2048] array without bounds checking. Attackers can supply a crafted .ksm module whose notes share one time slot to overflow the heap player object, causing memory corruption and denial of service.

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: Low
Availability: High

Exploit likelihood

0.14%Unchanged since Oct 16, 2026

What each source reports

CVE List Score used 6.9

AdPlug through 2.4 Heap Buffer Overflow via CksmPlayer::update in ksm.cpp

Record: CVE-2026-110875
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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:N/I:L/A:H
Weakness: CWE-787
Updated: 2026-11-02

EUVDEUVD-2026-102350 6.9

Record: EUVD-2026-102350
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-jrh8-g7qr-96vg 6.9

AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp...

Record: GHSA-jrh8-g7qr-96vg
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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:N/I:L/A:H
Weakness: CWE-787
Updated: 2026-11-02

NVD 6.9

Record: CVE-2026-110875
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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:N/I:L/A:H
Weakness: CWE-787
Updated: 2026-11-02

OSV 6.9

AdPlug through 2.4 Heap Buffer Overflow via CksmPlayer::update in ksm.cpp

Record: CVE-2026-110875
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-787
Updated: 2026-11-02

OSVDEBIAN-CVE-2026-110875 6.9

Record: DEBIAN-CVE-2026-110875
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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-2026-110875 6.9

Record: UBUNTU-CVE-2026-110875
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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:N/I:L/A:H
Updated: 2026-11-02

Affected products

adplug

Affected packages

Affected packages
Package	Affected	Fixed
`adplug` Debian:12	All versions, plus listed versions 2.3.3+dfsg-22.3.3+dfsg-2.12.4+dfsg-12.4+dfsg-2	None known
`adplug` Debian:13	All versions, plus listed versions 2.3.3+dfsg-22.3.3+dfsg-2.12.4+dfsg-12.4+dfsg-2	None known
`adplug` Debian:14	All versions, plus listed versions 2.3.3+dfsg-22.3.3+dfsg-2.12.4+dfsg-12.4+dfsg-2	None known
`adplug` Ubuntu:16.04:LTS	All versions, plus listed versions 2.2.1+dfsg3-0.2ubuntu22.2.1+dfsg3-0.32.2.1+dfsg3-1~build0.16.04.1	None known
`adplug` Ubuntu:18.04:LTS	All versions, plus listed versions 2.2.1+dfsg3-0.42.2.1+dfsg3-1~build0.18.04.1	None known
`adplug` Ubuntu:20.04:LTS	All versions, plus listed versions 2.2.1+dfsg3-12.3.1+dfsg-22.3.1+dfsg-2build1	None known
`adplug` Ubuntu:22.04:LTS	All versions, plus listed versions 2.3.3+dfsg-2	None known
`adplug` Ubuntu:24.04:LTS	All versions, plus listed versions 2.3.3+dfsg-22.3.3+dfsg-2build1	None known
`adplug` Ubuntu:26.10	All versions, plus listed versions 2.4+dfsg-2	None known
`adplug` Ubuntu:26.04:LTS	All versions, plus listed versions 2.3.3+dfsg-2build12.3.3+dfsg-2.12.4+dfsg-2	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2026-110875 is a medium vulnerability (CVSS 6.9) in Adplug, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.

References

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