{"id":"CVE-2021-3678","aliases":["GHSA-j85q-whc9-g4p9"],"url":"https://o3.security/vulnerability/CVE-2021-3678","summary":"Use of Cryptographically Weak Pseudo-Random Number Generator in showdoc","details":"showdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)","published":"2021-08-04T14:15:08.577Z","modified":"2026-08-07T17:02:22.272594Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"showdoc/showdoc","fixedVersion":"2.9.8"}],"fix":{"url":"https://github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370","label":"star7th/showdoc@4b962c1"},"references":[{"type":"ADVISORY","url":"https://huntr.dev/bounties/f9a9defd-29ea-4442-b692-ff1512813de4"},{"type":"FIX","url":"https://github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T17:02:22.272594Z"}}