← CVE Intelligence

CVE-2026-2069

ggml-org llama.cpp GBNF Grammar llama-grammar.cpp llama_grammar_advance_stack stack-based overflow PUBLISHED

Description (CNA)

A flaw has been found in ggml-org llama.cpp up to 55abc39. Impacted is the function llama_grammar_advance_stack of the file llama.cpp/src/llama-grammar.cpp of the component GBNF Grammar Handler. This manipulation causes stack-based buffer overflow. The attack needs to be launched locally. The exploit has been published and may be used. Patch name: 18993. To fix this issue, it is recommended to deploy a patch.

Affected (CNA)

Vendor / productVersions
ggml-org / llama.cppaffected 55abc39

CWE

CWE-121, CWE-119

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.