{"id":"CVE-2018-19155","aliases":["EUVD-2018-10866","GHSA-fpj8-9j3x-3jfx"],"status":"published","title":"navcoin through 4.3.0 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01296,"percentile":0.70579,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2019-11-05T20:06:21Z","modified":"2026-10-24T10:30:35Z","products":[{"vendor":"navcoin","product":"navcoin"}],"references":[{"url":"https://medium.com/%40dsl_uiuc/fake-stake-attacks-on-chain-based-proof-of-stake-cryptocurrencies-b8b05723f806","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://fc19.ifca.ai/preproceedings/180-preproceedings.pdf","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-19155"},{"url":"https://medium.com/@dsl_uiuc/fake-stake-attacks-on-chain-based-proof-of-stake-cryptocurrencies-b8b05723f806"},{"url":"https://github.com/advisories/GHSA-fpj8-9j3x-3jfx"}],"sources":{"cve":[{"id":"CVE-2018-19155","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.","status":"published","published":"2019-11-05T20:06:21Z","modified":"2024-08-05T11:30:04.052Z","updated_at":"2026-11-02T14:35:03.288698Z"}],"euvd":[{"id":"EUVD-2018-10866","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.","status":"published","published":"2019-11-05T20:06:21Z","modified":"2024-08-05T11:30:04Z","updated_at":"2026-11-03T02:39:34.247095Z"}],"ghsa":[{"id":"GHSA-fpj8-9j3x-3jfx","title":"navcoin through 4.3.0 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of...","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.","status":"published","published":"2022-05-24T17:00:19Z","modified":"2024-04-04T02:38:19Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:56:09.967552Z"}],"nvd":[{"id":"CVE-2018-19155","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.","status":"published","published":"2019-11-05T21:15:12.293Z","modified":"2026-06-17T01:48:53.043Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:04:59.278647Z"}],"osv":[{"id":"CVE-2018-19155","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.","status":"published","published":"2019-11-05T21:15:12.293Z","modified":"2026-10-24T10:30:35.313616825Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:08.834469Z"}]}}