libp2p denial of service vulnerability from lack of resource management
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
js-libp2p is the official javascript Implementation of libp2p networking stack. Versions older than `v0.38.0` of js-libp2p are vulnerable to targeted resource exhaustion attacks. These attacks target libp2p’s connection, stream, peer, and memory management. An attacker can cause the allocation of large amounts of memory, ultimately leading to the process getting killed by the host’s operating system. While a connection manager tasked with keeping the number of connections within manageable limits has been part of js-libp2p, this component was designed to handle the regular churn of peers, not a targeted resource exhaustion attack. Users are advised to update their js-libp2p dependency to `v0.38.0` or greater. There are no known workarounds for this vulnerability.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| libp2p | js-libp2p | before 0.38.0 | 0.38.0 | Patch available | CNA |
| — | libp2p (npm) | before 0.38.0 | 0.38.0 | Patch available | GHSA-f44q-634c-jvwv |
- js-libp2p Vendorlibp2p Affected before 0.38.0 Fixed in 0.38.0 Patch available CNA
- libp2p (npm) Vendor— Affected before 0.38.0 Fixed in 0.38.0 Patch available GHSA-f44q-634c-jvwv
Remediation
- Fix · CNA js-libp2p (libp2p) Fixed in 0.38.0
- Fix · GHSA-f44q-634c-jvwv libp2p (npm) Fixed in 0.38.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-23487
- 2026-10-03 Alias added: GHSA-f44q-634c-jvwv
References
More libp2p vulnerabilities
- TI-2026-60386 libp2p-rendezvous through 0.17.1 Denial of Service via Unbounded Registration TTL in Discovery Responses CVSS 4.0HIGH 8.7
- TI-2026-58865 libp2p: PeerStore accepts attacker-signed PeerRecords for a victim peer ID and stores certified attacker addresses CVSS 3.1HIGH 8.2
- TI-2026-44102 libp2p-quic: Remote panic via certificate expiry race during QUIC handshake CVSS 4.0HIGH 8.2
- TI-2026-27587 libp2p-rust has unbounded rendezvous DISCOVER cookies enable remote memory exhaustion CVSS 3.1HIGH 8.2
- TI-2026-58864 libp2p: Gossipsub StrictSign accepts attacker-signed messages as a victim RSA peer ID CVSS 3.1HIGH 7.5
- TI-2026-53982 libp2p: Circuit relay v2 server reservation refresh leaks abort listeners and allows remote resource exhaustion CVSS 3.1HIGH 7.5
Sources
- CVE-2022-23487 · CVE Program
- CVE-2022-23487 · NVD
- FIRST EPSS
- GHSA-f44q-634c-jvwv · 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