What’s Vulnerable › Vulnerabilities

CVE-2022-44797

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-11-07 · updated 2026-06-17

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.

Affected products

• btcsuite btcd: before 0.23.2 — fixed in 0.23.2

How to fix

Upgrade to a fixed version: btcsuite btcd 0.23.2. Check the vendor advisory for mitigations.

References

• https://github.com/btcsuite/btcd/pull/1896
• https://github.com/btcsuite/btcd/releases/tag/v0.23.2
• https://github.com/lightningnetwork/lnd/issues/7002
• https://github.com/lightningnetwork/lnd/releases/tag/v0.15.2-beta
• https://github.com/btcsuite/btcd/pull/1896
• https://github.com/btcsuite/btcd/releases/tag/v0.23.2
• https://github.com/lightningnetwork/lnd/issues/7002
• https://github.com/lightningnetwork/lnd/releases/tag/v0.15.2-beta

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