Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure.
bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing
github.com/ElementsProject/lightning
lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html
lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html
lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html