{"id":"CVE-2020-36316","aliases":["EUVD-2020-23858","GHSA-f5m2-hpp5-7qp7"],"status":"published","title":"In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification...","description":"In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification because garbage bytes can be present.","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":"2026-11-11","score":0.01159,"percentile":0.67525,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-04-07T20:10:08Z","modified":"2026-10-20T13:59:42Z","products":[{"vendor":"relic_project","product":"relic"}],"references":[{"url":"https://github.com/relic-toolkit/relic/tree/32eb4c257fc80328061d66639b1cdb35dbed51a2","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/relic-toolkit/relic/","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","advisory"]},{"url":"https://github.com/relic-toolkit/relic/commit/76c9a1fdf19d9e92e566a77376673e522aae9f80","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/relic-toolkit/relic/issues/155","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36316"},{"url":"https://github.com/advisories/GHSA-f5m2-hpp5-7qp7"}],"sources":{"cve":[{"id":"CVE-2020-36316","description":"In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification because garbage bytes can be present.","status":"published","published":"2021-04-07T20:10:08Z","modified":"2024-08-04T17:23:10.527Z","updated_at":"2026-11-02T14:35:55.128961Z"}],"euvd":[{"id":"EUVD-2020-23858","description":"In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification because garbage bytes can be present.","status":"published","published":"2021-04-07T20:10:08Z","modified":"2024-08-04T17:23:10Z","updated_at":"2026-11-03T03:07:03.484914Z"}],"ghsa":[{"id":"GHSA-f5m2-hpp5-7qp7","title":"In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification...","description":"In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification because garbage bytes can be present.","status":"published","published":"2022-05-24T17:46:45Z","modified":"2023-01-29T05:06:16Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:45:59.056416Z"}],"nvd":[{"id":"CVE-2020-36316","description":"In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification because garbage bytes can be present.","status":"published","published":"2021-04-07T21:15:15.933Z","modified":"2026-06-17T03:15:17.49Z","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-120"],"updated_at":"2026-11-02T14:06:39.25999Z"}],"osv":[{"id":"CVE-2020-36316","description":"In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification because garbage bytes can be present.","status":"published","published":"2021-04-07T21:15:15.933Z","modified":"2026-10-20T13:59:42.326985241Z","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"}],"updated_at":"2026-11-02T15:44:16.936975Z"}]}}