Integer overflow in Nethermind Juno
CVE-2025-29072
An integer overflow in Nethermind Juno before v.12.05 within the Sierra bytecode decompression logic within the "cairo-lang-starknet-classes" library could allow remote attackers to trigger an infinite loop (and high CPU usage) by submitting a malicious Declare v2/v3 transaction. This results in a denial-of-service condition for affected Starknet full-node implementations.
Vulnerability class: Integer Overflow
EPSS: 0.005 (37.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Nethermind Juno
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Patch)
Frequently asked questions
- What is CVE-2025-29072?
- CVE-2025-29072 is a high-severity vulnerability in Nethermind Juno, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2025-03-27.
- How severe is CVE-2025-29072?
- High severity. CVSS v3 base score is 7.5 out of 10.