Critical severity9.8NVD Advisory· Published Dec 6, 2019· Updated Jun 17, 2026
CVE-2019-18671
CVE-2019-18671
Description
Insufficient checks in the USB packet handling of the ShapeShift KeepKey hardware wallet before firmware 6.2.2 allow out-of-bounds writes in the .bss segment via crafted messages. The vulnerability could allow code execution or other forms of impact. It can be triggered by unauthenticated attackers and the interface is reachable via WebUSB.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- ShapeShift/KeepKey hardware walletdescription
- Range: <6.2.2
Patches
Vulnerability mechanics
References
4- github.com/keepkey/keepkey-firmware/commit/b222c66cdd7c3203d917c80ba615082d309d80c3nvdPatchThird Party Advisory
- medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065nvdRelease NotesThird Party Advisory
- medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3nvdThird Party Advisory
- blog.inhq.net/posts/keepkey-CVE-2019-18671/nvd
News mentions
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