{"id":"CVE-2026-112107","title":"ztxz16 fastllm Safetensors Weight Loading model.cpp CreateBuffer buffer overflow","summary":"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_offset…","severity":"medium","cvss":6.3,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-120","CWE-119"],"vendor":"ztxz16","product":"fastllm","affected":["fastllm 1.8.0","fastllm 1.8.1","fastllm 1.8.2"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-19T12:44:27.535360Z"},"exploitAvailable":true,"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T12:44:53.682Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112107","references":[{"url":"https://vuldb.com/vuln/422072","label":"VDB-422072 | ztxz16 fastllm Safetensors Weight Loading model.cpp CreateBuffer buffer overflow"},{"url":"https://vuldb.com/vuln/422072/cti","label":"VDB-422072 | CTI Indicators (IOB, IOC, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-112107","label":"CVE-2026-112107 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1013187","label":"Submit #1013187 | ztxz16 fastllm commit 324b4d1 (master branch as of 2026-10-04) Heap-based Buffer Overflow"},{"url":"https://github.com/ztxz16/fastllm/issues/758"},{"url":"https://github.com/user-attachments/files/33027393/poc.zip"},{"url":"https://github.com/ztxz16/fastllm/"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-10-19T12:27:23.806Z","slug":"CVE-2026-112107","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `fastllm 1.8.0`\n- `fastllm 1.8.1`\n- `fastllm 1.8.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":34.7,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":224931,"id":"CVE-2026-112107","ts":1792416575734,"field":"exploit_available","old":"false","new":"true"}]}