Integer overflow in Nimiq Nimiq-account
CVE-2026-34064
nimiq-account contains account primitives to be used in Nimiq's Rust implementation. Prior to version 1.3.0, `VestingContract::can_change_balance` returns `AccountError::InsufficientFunds` when `new_balance < min_cap`, but it constructs th…
EPSS: 0.003 (19.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Nimiq Nimiq-account — versions < 1.3.0
- Nimiq Nimiq_proof-of-stake
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-34064?
- CVE-2026-34064 is a medium-severity vulnerability in Nimiq Nimiq-account, classified under Integer Underflow. CVSS score: 5.3/10. Published 2026-04-22.
- How severe is CVE-2026-34064?
- Medium severity. CVSS v3 base score is 5.3 out of 10.