CVE-2024-38359
CVE-2024-38359 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-2003
- Weakness: CWE-20
- Published:
- Last modified:
Description
The Lightning Network Daemon (lnd) - is a complete implementation of a Lightning Network node. A parsing vulnerability in lnd's onion processing logic and lead to a DoS vector due to excessive memory allocation. The issue was patched in lnd v0.17.0. Users should update to a version > v0.17.0 to be protected. Users unable to upgrade may set the `--rejecthtlc` CLI flag and also disable forwarding on channels via the `UpdateChanPolicyCommand`, or disable listening on a public network interface via the `--nolisten` flag as a mitigation.
Frequently asked questions
- What is CVE-2024-38359?
- The Lightning Network Daemon (lnd) - is a complete implementation of a Lightning Network node. A parsing vulnerability in lnd's onion processing logic and lead to a DoS vector due to excessive memory allocation. The issue was patched in lnd v0.17.0. Users should update to a version > v0.17.0 to be protected. Users unable to upgrade may set the `--rejecthtlc` CLI flag and also disable forwarding on channels via the `UpdateChanPolicyCommand`, or disable listening on a public network interface via the `--nolisten` flag as a mitigation.
- How severe is CVE-2024-38359?
- CVE-2024-38359 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2024-38359 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-38359?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-38359 have an EU (EUVD) identifier?
- Yes. CVE-2024-38359 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2003.
- When was CVE-2024-38359 published?
- CVE-2024-38359 was published on 2024-06-20 and last updated on 2026-06-17.
References
- https://delvingbitcoin.org/t/dos-disclosure-lnd-onion-bomb/979
- https://github.com/lightningnetwork/lnd/releases/tag/v0.17.0-beta
- https://github.com/lightningnetwork/lnd/security/advisories/GHSA-9gxx-58q6-42p7
- https://lightning.network
- https://morehouse.github.io/lightning/lnd-onion-bomb
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