{"id":"CVE-2022-47517","aliases":["EUVD-2022-50278","GHSA-c8mq-83h4-gm57"],"status":"published","title":"An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows...","description":"An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.","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":0.01562,"percentile":0.7544,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-193","CWE-787"],"published":"2022-12-18T00:00:00Z","modified":"2026-10-28T02:30:39Z","products":[{"vendor":"drachtio","product":"drachtio-server"}],"references":[{"url":"https://github.com/drachtio/drachtio-server/issues/243","tags":["x_transferred","Exploit","Third Party Advisory","report"]},{"url":"https://github.com/davehorton/sofia-sip/commit/22c1bd191f0acbf11f0c0fbea1845d9bf9dcd47e","tags":["x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/davehorton/sofia-sip/commit/bfc79d85c8f3a4798a3305fb98f5a11c11d0d29f","tags":["x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-47517","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c8mq-83h4-gm57"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/47xxx/CVE-2022-47517.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-47517","description":"An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.","status":"published","published":"2022-12-18T00:00:00Z","modified":"2025-04-17T18:51:28.845Z","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-193"],"updated_at":"2026-11-02T14:34:25.308772Z"}],"euvd":[{"id":"EUVD-2022-50278","description":"An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.","status":"published","published":"2022-12-18T00:00:00Z","modified":"2025-04-17T18:51:28Z","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":"2026-11-02T20:52:20.597725Z"}],"ghsa":[{"id":"GHSA-c8mq-83h4-gm57","title":"An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows...","description":"An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.","status":"published","published":"2022-12-18T06:31:09Z","modified":"2025-04-17T21:31:39Z","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-193","CWE-787"],"updated_at":"2026-11-02T15:01:37.946112Z"}],"nvd":[{"id":"CVE-2022-47517","description":"An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.","status":"published","published":"2022-12-18T05:15:11.3Z","modified":"2026-06-17T05:13:48.17Z","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-193"],"updated_at":"2026-11-02T14:07:34.031641Z"}],"osv":[{"id":"CVE-2022-47517","description":"An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.","status":"published","published":"2022-12-18T00:00:00Z","modified":"2026-10-28T02:30:39.121287097Z","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":"2026-11-02T15:44:27.776402Z"}]}}