CVE-2025-61146 Denial of service in n/a
A memory leak in libsixel allows attackers to cause denial of service by exhausting system memory.
- 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-2025-61146?
CVE-2025-61146 is a medium-severity denial of service vulnerability in n/a, published on 23 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.
Weakness: CWE-401
Which versions are affected by CVE-2025-61146?
It affects 1 product.
Products include Saitoha Libsixel.
How do I fix CVE-2025-61146?
No fix has been published for CVE-2025-61146 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-61146 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-61146 exists.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2025-61146, GHSA-75j9-8g79-fp7r, UBUNTU-CVE-2025-61146.