CVE-2026-112107

MEDIUM 6.3

ztxz16 fastllm Safetensors Weight Loading model.cpp CreateBuffer buffer overflow

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	ztxz16
Product	fastllm
Published	Oct 19, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

ztxz16 / fastllm

1.8.0 1.8.1 1.8.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/422072 vuldb.com: https://vuldb.com/vuln/422072/cti vuldb.com: https://vuldb.com/cve/CVE-2026-112107 vuldb.com: https://vuldb.com/submit/1013187 github.com: https://github.com/ztxz16/fastllm/issues/758 github.com: https://github.com/user-attachments/files/33027393/poc.zip github.com: https://github.com/ztxz16/fastllm/

Credits

🔍 Dem0000000 (VulDB User) VulDB CNA Team