CVE-2026-110655 miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseatt
A heap out-of-bounds read in miniupnpc allows local attackers to crash the client or read memory via crafted UPnP responses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110655?
CVE-2026-110655 is a low-severity memory corruption vulnerability in miniupnpc, published on 14 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
miniupnpc through 2.3.3 contains a one-byte heap out-of-bounds read vulnerability in the minixml parseatt function that allows malicious UPnP gateways to read past buffer bounds via crafted replies. Attackers on the local network can spoof a gateway serving device descriptions or SOAP responses ending in '=' to crash the client.
Weakness: CWE-125
Which versions are affected by CVE-2026-110655?
How do I fix CVE-2026-110655?
No fix has been published for CVE-2026-110655 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-2026-110655 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110655 exists.
Sources
Also known as DEBIAN-CVE-2026-110655, GHSA-r8vm-xv99-82gx, UBUNTU-CVE-2026-110655.