What’s Vulnerable › Vulnerabilities

CVE-2018-19155

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-05 · updated 2026-06-17
• Weakness: CWE-400

Description

navcoin through 4.3.0 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service. The attacker sends invalid headers/blocks. The attack requires no stake and can fill the victim's disk and RAM.

Affected products

• Navcoin: through 4.3.0

References

• http://fc19.ifca.ai/preproceedings/180-preproceedings.pdf
• https://medium.com/%40dsl_uiuc/fake-stake-attacks-on-chain-based-proof-of-stake-cryptocurrencies-b8b05723f806
• http://fc19.ifca.ai/preproceedings/180-preproceedings.pdf
• https://medium.com/%40dsl_uiuc/fake-stake-attacks-on-chain-based-proof-of-stake-cryptocurrencies-b8b05723f806

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