{"id":"CVE-2023-33980","aliases":["EUVD-2023-38104","GHSA-rv6q-435f-w46h"],"status":"published","title":"Bramble Synchronisation Protocol (BSP) in Briar before 1.4.22 allows attackers to cause a denial...","description":"Bramble Synchronisation Protocol (BSP) in Briar before 1.4.22 allows attackers to cause a denial of service (repeated application crashes) via a series of long messages to a contact.","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":"2026-11-10","score":0.00884,"percentile":0.59533,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2023-05-24T00:00:00Z","modified":"2026-06-17T06:02:38Z","products":[{"vendor":"briarproject","product":"briar"}],"references":[{"url":"https://briarproject.org/news/2023-three-security-issues-found-and-fixed/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_YuanmingSong.pdf","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33980"},{"url":"https://briarproject.org/news/2023-three-security-issues-found-and-fixed"},{"url":"https://github.com/advisories/GHSA-rv6q-435f-w46h"}],"sources":{"cve":[{"id":"CVE-2023-33980","description":"Bramble Synchronisation Protocol (BSP) in Briar before 1.4.22 allows attackers to cause a denial of service (repeated application crashes) via a series of long messages to a contact.","status":"published","published":"2023-05-24T00:00:00Z","modified":"2025-01-16T15:56:23.267Z","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"}],"updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-38104","description":"Bramble Synchronisation Protocol (BSP) in Briar before 1.4.22 allows attackers to cause a denial of service (repeated application crashes) via a series of long messages to a contact.","status":"published","published":"2023-05-24T00:00:00Z","modified":"2025-01-16T15:56:23Z","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":"2026-11-03T00:04:18.582094Z"}],"ghsa":[{"id":"GHSA-rv6q-435f-w46h","title":"Bramble Synchronisation Protocol (BSP) in Briar before 1.4.22 allows attackers to cause a denial...","description":"Bramble Synchronisation Protocol (BSP) in Briar before 1.4.22 allows attackers to cause a denial of service (repeated application crashes) via a series of long messages to a contact.","status":"published","published":"2023-05-24T18:30:27Z","modified":"2024-04-04T04:19:48Z","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":"2026-11-02T14:56:22.887174Z"}],"nvd":[{"id":"CVE-2023-33980","description":"Bramble Synchronisation Protocol (BSP) in Briar before 1.4.22 allows attackers to cause a denial of service (repeated application crashes) via a series of long messages to a contact.","status":"published","published":"2023-05-24T18:15:10.827Z","modified":"2026-06-17T06:02:38.92Z","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":"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-400"],"updated_at":"2026-11-02T14:08:03.200773Z"}]}}