{"id":"CVE-2021-39547","aliases":["EUVD-2021-25904","GHSA-3c3m-qp4j-mgv8"],"status":"published","title":"An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the...","description":"An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the function lpc::SampleGenerator::process() located in sample_generator.cpp. It allows an attacker to cause Denial of Service.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00635,"percentile":0.50917,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2021-09-20T15:27:02Z","modified":"2026-06-17T04:03:47Z","products":[{"vendor":"sela_project","product":"sela"}],"references":[{"url":"https://github.com/sahaRatul/sela/issues/32","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39547"},{"url":"https://github.com/advisories/GHSA-3c3m-qp4j-mgv8"}],"sources":{"cve":[{"id":"CVE-2021-39547","description":"An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the function lpc::SampleGenerator::process() located in sample_generator.cpp. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T15:27:02Z","modified":"2024-08-04T02:06:42.54Z","updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-25904","description":"An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the function lpc::SampleGenerator::process() located in sample_generator.cpp. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T15:27:02Z","modified":"2024-08-04T02:06:42Z","updated_at":"2026-11-03T03:24:23.166742Z"}],"ghsa":[{"id":"GHSA-3c3m-qp4j-mgv8","title":"An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the...","description":"An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the function lpc::SampleGenerator::process() located in sample_generator.cpp. It allows an attacker to cause Denial of Service.","status":"published","published":"2022-05-24T19:15:08Z","modified":"2023-01-30T05:02:10Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:46:34.725436Z"}],"nvd":[{"id":"CVE-2021-39547","description":"An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the function lpc::SampleGenerator::process() located in sample_generator.cpp. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T16:15:12.917Z","modified":"2026-06-17T04:03:47.91Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:58.933037Z"}]}}