CVE-2026-110875 AdPlug through 2.4 Heap Buffer Overflow via CksmPlayer::update in ksm.cpp
Attackers can cause denial of service via heap buffer overflow in AdPlug by supplying a crafted .ksm module file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-110875?
CVE-2026-110875 is a medium-severity memory corruption vulnerability in adplug, published on 15 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2026-110875?
How do I fix CVE-2026-110875?
No fix has been published for CVE-2026-110875 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-110875 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110875 exists.
Sources
Also known as DEBIAN-CVE-2026-110875, GHSA-jrh8-g7qr-96vg, UBUNTU-CVE-2026-110875.