btcd before 0.23.2, as used in Lightning Labs lnd before 0.15.2-beta and other…
Priority MEDIUM 52Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01563 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed github.com/btcsuite/btcd (Go): 0.23.2github.com/lightningnetwork/lnd (Go): 0.15.2-beta
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/btcsuite/btcd (Go) | before 0.23.2 | 0.23.2 | Patch available | GHSA-2chg-86hq-7w38 |
| — | github.com/lightningnetwork/lnd (Go) | before 0.15.2-beta | 0.15.2-beta | Patch available | GHSA-2chg-86hq-7w38 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/btcsuite/btcd (Go) Vendor— Affected before 0.23.2 Fixed in 0.23.2 Patch available GHSA-2chg-86hq-7w38
- github.com/lightningnetwork/lnd (Go) Vendor— Affected before 0.15.2-beta Fixed in 0.15.2-beta Patch available GHSA-2chg-86hq-7w38
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:btcd_project:btcd:*:*:*:*:*:*:*:* | before 0.23.2 | Vulnerable | Btcd Project |
| cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:*:*:*:*:*:*:*:* | before 0.15.2 | Running on | Lightning Network Daemon Project |
- cpe:2.3:a:btcd_project:btcd:*:*:*:*:*:*:*:* Versions before 0.23.2 Vulnerable ·Btcd Project
- cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:*:*:*:*:*:*:*:* Versions before 0.15.2 Running on ·Lightning Network Daemon Project
Remediation
- Fix · GHSA-2chg-86hq-7w38 github.com/btcsuite/btcd (Go) Fixed in 0.23.2 Advisory →
- Fix · GHSA-2chg-86hq-7w38 github.com/lightningnetwork/lnd (Go) Fixed in 0.15.2-beta Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-44797
- 2026-10-03 Alias added: GHSA-2chg-86hq-7w38
References
Advisory 3
More Btcd Project Btcd vulnerabilities
- TI-2022-18763 Witness Block Parsing DoS Vulnerability in lnd CVSS 3.1HIGH 8.2
- TI-2024-22808 btcd before 0.24.0 does not correctly implement the consensus rules outlined in BIP 68… CVSS 3.1HIGH 7.5
- TI-2018-12252 Bitcoin Core 0.16.x before 0.16.2 and Bitcoin Knots 0.16.x before 0.16.2 allow remote… CVSS 3.1HIGH 7.5
- TI-2024-25622 btcd did not correctly re-implement Bitcoin Core's "FindAndDelete()" functionality CVSS 3.1HIGH 8.1
Sources
- CVE-2022-44797 · CVE Program
- CVE-2022-44797 · NVD
- FIRST EPSS
- GHSA-2chg-86hq-7w38 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences