CVE-2026-35457
libp2p-rust has unbounded rendezvous DISCOVER cookies enable remote memory exhaustion
CVSS Score
8.2
EPSS Score
0.0%
EPSS Percentile
0th
libp2p-rust is the official rust language Implementation of the libp2p networking stack. Prior to 0.17.1, the rendezvous server stores pagination cookies without bounds. An unauthenticated peer can repeatedly issue DISCOVER requests and force unbounded memory growth. This vulnerability is fixed in 0.17.1.
| CWE | CWE-770 |
| Vendor | libp2p |
| Product | rust-libp2p |
| Published | Apr 7, 2026 |
| Last Updated | Apr 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High
Affected Versions
libp2p / rust-libp2p
< 0.17.1