CVE-2026-110876

MEDIUM 5.5

AdPlug through 2.4 Out-of-Bounds Read via CxsmPlayer::play_note in XSM Files

CVSS Score

5.5

EPSS Score

0.0%

EPSS Percentile

0th

AdPlug through 2.4 contains an out-of-bounds read vulnerability in src/xsm.cpp that allows attackers to read before note_table by supplying a negative note index. Attackers can craft an XSM file with the ofTAZ! signature and a song byte of 0x80 or higher, causing a global-buffer-overflow read during playback that may crash affected applications.

CWE	CWE-125
Vendor	adplug
Product	adplug
Published	Oct 15, 2026

Stay Ahead of the Next One

Get instant alerts for adplug adplug

Be the first to know when new medium vulnerabilities affecting adplug adplug are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

adplug / adplug

0 ≤ 2.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

hackmd.io: https://hackmd.io/@haind-pwn/adplug-ksm-note-loop-databuf-oob-write github.com: https://github.com/adplug/adplug/blob/e491e382479ed2246f124c96c70d94561dce59b9/src/xsm.cpp#L86-L134 github.com: https://github.com/adplug/adplug vulncheck.com: https://www.vulncheck.com/advisories/adplug-through-2.4-out-of-bounds-read-via-cxsmplayer-play-note-in-xsm-files

Credits

HaiND from the Post and Telecommunication Institute of Technology