{"data":{"id":"72d7cecb-d685-47f5-a277-7059f14842df","title":"ZDI-26-976: llama.cpp GGUF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability","summary":"ZDI-26-976 describes a heap-based buffer overflow in the GGUF file parsing of llama.cpp, tracked as CVE-2026-126975 and rated CVSS 7.8. Remote attackers can execute arbitrary code in the context of the current process, but only if the target visits a malicious page or opens a malicious file. The flaw stems from missing validation of the length of user-supplied data before it is copied to a heap-based buffer.","solution":"llama.cpp has issued an update to correct this vulnerability. More details are in https://github.com/ggml-org/llama.cpp/pull/31336.","labels":["security"],"sourceUrl":"http://www.zerodayinitiative.com/advisories/ZDI-26-976/","publishedAt":"2026-11-13T06:00:00.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":[],"affectedVendorsRaw":["llama.cpp","GGUF"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":null,"disclosureDate":"2026-11-13T06:00:00.000Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality","integrity","availability"],"aiComponentTargeted":"inference","llmSpecific":true,"classifierConfidence":0.93,"researchCategory":null,"atlasIds":null,"fixes":[]}}