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[ CVE-2026-102566 · Published 29 Sep 2026 ]

Vulnerability in OpenNMT CTranslate2

CVSS 7.8 EPSS <1%No fix listed yet

[ Description ]Official description

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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References