CVE-2026-112108 ztxz16 fastllm String Parsing gguf.cpp ReadString buffer overflow
Remote attackers can trigger a buffer overflow in fastllm's GGUF string parsing, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-112108?
CVE-2026-112108 is a medium-severity memory corruption vulnerability in ztxz16 fastllm, published on 19 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability was determined in ztxz16 fastllm up to 0.1.8.2. This impacts the function GGUFBuffer::ReadString of the file third_party/gguf/gguf.cpp of the component String Parsing. This manipulation of the argument len causes buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-112108?
How do I fix CVE-2026-112108?
No fix has been published for CVE-2026-112108 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-2026-112108 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112108 exists.
Sources
Also known as GHSA-m697-qhc6-c837.