{"id":"CVE-2026-117346","aliases":["EUVD-2026-114087","GHSA-chgh-55w7-23p2"],"status":"published","title":"Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit","description":"Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit","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":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00488,"percentile":0.42467,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-10-30T00:00:00Z","modified":"2026-11-04T01:59:27Z","references":[{"url":"http://bitcoin.com"},{"url":"https://bitcoincore.org/en/2026/10/28/disclose-undo-overflow/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-117346"},{"url":"https://bitcoincore.org/en/2026/10/28/disclose-undo-overflow"},{"url":"https://github.com/advisories/GHSA-chgh-55w7-23p2"}],"sources":{"cve":[{"id":"CVE-2026-117346","description":"Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit","status":"published","published":"2026-10-30T00:00:00Z","modified":"2026-11-04T01:59:27.387Z","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":"adp"}],"cwes":["CWE-770"],"updated_at":"2026-11-04T03:50:25.272214Z"}],"euvd":[{"id":"EUVD-2026-114087","description":"Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit","status":"published","published":"2026-10-30T00:00:00Z","modified":"2026-11-04T01:59:27Z","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":"2026-11-04T03:57:29.097782Z"}],"ghsa":[{"id":"GHSA-chgh-55w7-23p2","title":"Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit","description":"Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit","status":"published","published":"2026-10-30T15:34:36Z","modified":"2026-11-04T03:33:32Z","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-770"],"updated_at":"2026-11-04T03:52:55.316904Z"}],"nvd":[{"id":"CVE-2026-117346","description":"Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit","status":"published","published":"2026-10-30T15:16:46.777Z","modified":"2026-11-04T02:17:15.32Z","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":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-04T06:53:34.694679Z"}]}}