What’s Vulnerable › Vulnerabilities

CVE-2026-110875: AdPlug through 2.4 Heap Buffer Overflow via CksmPlayer::update in ksm.cpp

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-15 · updated 2026-10-26
• Weakness: CWE-787

Description

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.

Affected products

• adplug: through 2.4

References

• https://github.com/adplug/adplug
• https://github.com/adplug/adplug/blob/e491e382479ed2246f124c96c70d94561dce59b9/src/ksm.cpp#L99-L229
• https://github.com/adplug/adplug/issues/292
• https://github.com/adplug/adplug/pull/295
• https://hackmd.io/@haind-pwn/adplug-ksm-note-loop-databuf-oob-write
• https://www.vulncheck.com/advisories/adplug-through-2.4-heap-buffer-overflow-via-cksmplayer-update-in-ksm-cpp
• https://hackmd.io/@haind-pwn/adplug-ksm-note-loop-databuf-oob-write

Get alerted when CVE-2026-110875 or the next vulnerability affects your stack