CVE-2026-112107 PUBLISHED

ztxz16 fastllm Safetensors Weight Loading model.cpp CreateBuffer buffer overflow

Assigner: VulDB
Reserved: 18.10.2026 Published: 19.10.2026 Updated: 19.10.2026

A flaw has been found in ztxz16 fastllm up to 1.8.2. Affected by this issue is the function SafeTensorItem::CreateBuffer of the file src/model.cpp of the component Safetensors Weight Loading. This manipulation of the argument data_offsets causes buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 5.3

Product Status

Vendor ztxz16
Product fastllm
Versions
  • Version 1.8.0 is affected
  • Version 1.8.1 is affected
  • Version 1.8.2 is affected

Credits

  • Dem0000000 (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Buffer Overflow CWE
  • Memory Corruption CWE