High severity8.6NVD Advisory· Published Oct 4, 2021· Updated Jun 17, 2026
CVE-2021-41593
CVE-2021-41593
Description
Lightning Labs lnd before 0.13.3-beta 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- Lightning Labs/lnddescription
- Range: <0.13.3-beta
Patches
Vulnerability mechanics
References
6- lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.htmlnvdExploitMailing ListVendor Advisory
- bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixingnvdPress/Media CoverageThird Party Advisory
- github.com/lightningnetwork/lnd/blob/master/docs/release-notes/release-notes-0.13.3.mdnvdRelease NotesThird Party Advisory
- github.com/lightningnetwork/lnd/releases/tag/v0.13.3-betanvdThird Party Advisory
- lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.htmlnvdMailing ListVendor Advisory
- lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.htmlnvdMailing ListVendor Advisory
News mentions
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