{"id":"CVE-2021-45682","aliases":["EUVD-2022-0636","GHSA-5phc-849h-vcxg","GHSA-jv2r-jx6q-89jg","RUSTSEC-2021-0084"],"status":"published","title":"`Read` on uninitialized buffer can cause UB (impl of `ReadKVExt`)","description":"An issue was discovered in the bronzedb-protocol crate through 2021-01-03 for Rust. ReadKVExt may read from uninitialized memory locations.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0123,"percentile":0.69189,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-908"],"published":"2021-01-03T12:00:00Z","modified":"2026-06-17T04:13:56Z","affected":[{"source":"ghsa","ecosystem":"crates.io","package":"bronzedb-protocol","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1.0"}]}]},{"source":"ghsa","ecosystem":"crates.io","package":"bronzedb-protocol","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"bronzedb-protocol","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.1.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"bronzedb-protocol","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.1.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"bronzedb-protocol","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"}]}]}],"products":[{"vendor":"bronzedb-protocol_project","product":"bronzedb-protocol"}],"references":[{"url":"https://rustsec.org/advisories/RUSTSEC-2021-0084.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web","advisory"]},{"url":"https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/bronzedb-protocol/RUSTSEC-2021-0084.md","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web"]},{"url":"https://github.com/Hexilee/BronzeDB/issues/1","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-5phc-849h-vcxg"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45682","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jv2r-jx6q-89jg"},{"url":"https://github.com/Hexilee/BronzeDB","tags":["package"]},{"url":"https://crates.io/crates/bronzedb-protocol","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-45682","description":"An issue was discovered in the bronzedb-protocol crate through 2021-01-03 for Rust. ReadKVExt may read from uninitialized memory locations.","status":"published","published":"2021-12-26T21:52:44Z","modified":"2024-08-04T04:47:01.758Z","updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2022-0636","description":"An issue was discovered in the bronzedb-protocol crate through 2021-01-03 for Rust. ReadKVExt may read from uninitialized memory locations.","status":"published","published":"2021-12-26T21:52:44Z","modified":"2024-08-04T04:47:01Z","updated_at":"2026-11-03T03:08:25.77408Z"}],"ghsa":[{"id":"GHSA-jv2r-jx6q-89jg","title":"Use of Uninitialized Resource in bronzedb-protocol.","description":"An issue was discovered in the bronzedb-protocol crate through 2021-01-03 for Rust. ReadKVExt may read from uninitialized memory locations.","status":"published","published":"2022-01-06T22:16:32Z","modified":"2023-06-13T16:58:38Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:36:53.103029Z"},{"id":"GHSA-5phc-849h-vcxg","title":"`Read` on uninitialized buffer can cause UB (impl of `ReadKVExt`)","description":"Affected versions of this crate passes an uninitialized buffer to a user-provided `Read` implementation.\nArbitrary `Read` implementations can read from the uninitialized buffer (memory exposure) and also can return incorrect number of bytes written to the buffer.\nReading from uninitialized memory produces undefined values that can quickly invoke undefined behavior.\n","status":"published","published":"2022-06-16T23:45:49Z","modified":"2023-06-13T17:08:00Z","updated_at":"2026-11-02T14:36:53.654352Z"}],"nvd":[{"id":"CVE-2021-45682","description":"An issue was discovered in the bronzedb-protocol crate through 2021-01-03 for Rust. ReadKVExt may read from uninitialized memory locations.","status":"published","published":"2021-12-27T00:15:08.903Z","modified":"2026-06-17T04:13:56.367Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:07:02.977492Z"}],"osv":[{"id":"GHSA-jv2r-jx6q-89jg","title":"Use of Uninitialized Resource in bronzedb-protocol.","description":"An issue was discovered in the bronzedb-protocol crate through 2021-01-03 for Rust. ReadKVExt may read from uninitialized memory locations.","status":"published","published":"2022-01-06T22:16:32Z","modified":"2023-11-08T04:07:21.552889Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T15:46:51.10002Z"},{"id":"GHSA-5phc-849h-vcxg","title":"`Read` on uninitialized buffer can cause UB (impl of `ReadKVExt`)","description":"Affected versions of this crate passes an uninitialized buffer to a user-provided `Read` implementation.\nArbitrary `Read` implementations can read from the uninitialized buffer (memory exposure) and also can return incorrect number of bytes written to the buffer.\nReading from uninitialized memory produces undefined values that can quickly invoke undefined behavior.\n","status":"published","published":"2022-06-16T23:45:49Z","modified":"2023-11-08T04:07:21.552889Z","updated_at":"2026-11-02T15:46:38.553953Z"},{"id":"RUSTSEC-2021-0084","title":"`Read` on uninitialized buffer can cause UB (impl of `ReadKVExt`)","description":"Affected versions of this crate passes an uninitialized buffer to a user-provided `Read` implementation.\n\nArbitrary `Read` implementations can read from the uninitialized buffer (memory exposure) and also can return incorrect number of bytes written to the buffer.\nReading from uninitialized memory produces undefined values that can quickly invoke undefined behavior.","status":"published","published":"2021-01-03T12:00:00Z","modified":"2023-11-08T04:07:21.552889Z","updated_at":"2026-11-02T15:53:39.492624Z"}]}}