CVE-2021-45935: Grok Project Grok

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress (called from std::__1::__packaged_task_func<std::__1::__bind<grk::T1DecompressScheduler::deco and std::__1::packaged_task<int).

Affected products

Published 2022-01-01. Last modified 2026-06-17.