Critical severity9.4NVD Advisory· Published Oct 4, 2021· Updated Jun 17, 2026
CVE-2021-41591
CVE-2021-41591
Description
ACINQ Eclair before 0.6.3 allows loss of funds because of dust HTLC exposure.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- ACINQ/Eclairdescription
Patches
Vulnerability mechanics
References
4- github.com/ACINQ/eclair/pull/1985nvdPatchThird Party Advisory
- lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.htmlnvdExploitVendor Advisory
- lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.htmlnvdMailing ListVendor Advisory
- bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixingnvdPress/Media Coverage
News mentions
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