CVE-2019-15545 json
Failure to properly verify ed25519 signatures in libp2p-core
published 2019-05-15 7 y ago modified 2026-06-17 4 mo ago also GHSA-4q4x-67hx-5mpg , RUSTSEC-2019-0004 , EUVD-2021-1561
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
An issue was discovered in the libp2p-core crate before 0.8.1 for Rust. Attackers can spoof ed25519 signatures.
Patch / fix
- crates.io libp2p-core 0.7.1, 0.8.1
- libp2p libp2p 0.8.1
Exploit prediction
0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| OSV | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | libp2p-core | <0.8.1 >=0.3.0, <0.7.1 >=0.8.0-0, <0.8.1 |
0.8.1 0.7.1 |
Classification
- Weakness
-
- CWE-347 Improper Verification of Cryptographic Signature
References
-
rustsec.org
/advisories/RUSTSEC-2019-0004.html
web, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-15545
advisory
-
github.com
/libp2p/rust-libp2p
package
-
crates.io
/crates/libp2p-core
package
Sources
- CVE List CVE-2019-15545
- GitHub Advisory GHSA-4q4x-67hx-5mpg
- NVD CVE-2019-15545
- OSV RUSTSEC-2019-0004
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.