CVE-2022-44797

CRITICAL

btcd < 0.23.2 - Denial of Service via Witness Size Check Mishandling

Title source: llm
STIX 2.1

Description

btcd before 0.23.2, as used in Lightning Labs lnd before 0.15.2-beta and other Bitcoin-related products, mishandles witness size checking.

References (4)

Core 4
Core References
Patch, Third Party Advisory
https://github.com/btcsuite/btcd/pull/1896
Release Notes, Third Party Advisory
https://github.com/btcsuite/btcd/releases/tag/v0.23.2
Exploit, Issue Tracking, Third Party Advisory
https://github.com/lightningnetwork/lnd/issues/7002

Scores

CVSS v3 9.8
EPSS 0.0120
EPSS Percentile 64.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

Status published
Products (3)
btcd_project/btcd < 0.23.2
btcsuite/btcd 0 - 0.23.2Go
lightningnetwork/lnd 0 - 0.15.2-betaGo
Published Nov 07, 2022
Tracked Since Feb 18, 2026