CVE-2022-44797

Name: CVE-2022-44797
Creator: NVD / NIST
Published: 2022-11-07T04:15:09.65+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.20%

Last modified Jun 17, 2026

CVE-2022-44797 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.20%

64.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Btcd Project	Btcd	< 0.23.2

References

https://github.com/btcsuite/btcd/pull/1896Patch, Third Party Advisory
https://github.com/btcsuite/btcd/releases/tag/v0.23.2Release Notes, Third Party Advisory
https://github.com/lightningnetwork/lnd/issues/7002Exploit, Issue Tracking, Third Party Advisory
https://github.com/lightningnetwork/lnd/releases/tag/v0.15.2-betaRelease Notes, Third Party Advisory
https://github.com/btcsuite/btcd/pull/1896Patch, Third Party Advisory
https://github.com/btcsuite/btcd/releases/tag/v0.23.2Release Notes, Third Party Advisory
https://github.com/lightningnetwork/lnd/issues/7002Exploit, Issue Tracking, Third Party Advisory
https://github.com/lightningnetwork/lnd/releases/tag/v0.15.2-betaRelease Notes, Third Party Advisory

Timeline

Published: Nov 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-44797?

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.

How severe is CVE-2022-44797?

CVE-2022-44797 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2022-44797?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-44797?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST