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CVE-2026-102566

CTranslate2 before 4.8.1 Heap Buffer Overflow via model.bin

CTranslate2 before 4.8.1 contains a heap-based buffer overflow in the binary model loader that fails to validate payload length against allocated buffer size. Attackers can craft malicious model files with oversized payload lengths to write past heap allocation boundaries, causing crashes or arbitrary code execution.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Opennmt
Products
Ctranslate2
CVE-2026-102567

CTranslate2 before 4.8.1 Out-of-Bounds Read via Model Deserialization

CTranslate2 before 4.8.1 contains an out-of-bounds heap read vulnerability in the binary model loader when deserializing string fields without null terminators. Attackers can craft malicious model files to trigger heap memory reads past buffer boundaries, causing crashes or disclosing adjacent heap memory contents.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Opennmt
Products
Ctranslate2