{"id":"CVE-2020-36452","aliases":["EUVD-2021-1607","GHSA-6wp2-fw3v-mfmc","RUSTSEC-2020-0132"],"status":"published","title":"Memory corruption in array-tools","description":"An issue was discovered in the array-tools crate before 0.3.2 for Rust. FixedCapacityDequeLike::clone() has a drop of uninitialized memory.","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":0.01119,"percentile":0.66422,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-908","CWE-909"],"published":"2020-12-31T12:00:00Z","modified":"2026-06-17T03:15:31Z","fixes":[{"ecosystem":"crates.io","package":"array-tools","fixed_in":["0.3.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"array-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.2"}]}]},{"source":"osv","ecosystem":"crates.io","package":"array-tools","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.3.2"}]}]},{"source":"osv","ecosystem":"crates.io","package":"array-tools","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"},{"fixed":"0.3.2"}]}]}],"products":[{"vendor":"array-tools_project","product":"array-tools"}],"references":[{"url":"https://rustsec.org/advisories/RUSTSEC-2020-0132.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/array-tools/RUSTSEC-2020-0132.md","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36452","tags":["advisory"]},{"url":"https://github.com/L117/array-tools/issues/2","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-6wp2-fw3v-mfmc"},{"url":"https://github.com/L117/array-tools","tags":["package"]},{"url":"https://crates.io/crates/array-tools","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-36452","description":"An issue was discovered in the array-tools crate before 0.3.2 for Rust. FixedCapacityDequeLike::clone() has a drop of uninitialized memory.","status":"published","published":"2021-08-08T05:15:12Z","modified":"2024-08-04T17:30:07.267Z","updated_at":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2021-1607","description":"An issue was discovered in the array-tools crate before 0.3.2 for Rust. FixedCapacityDequeLike::clone() has a drop of uninitialized memory.","status":"published","published":"2021-08-08T05:15:12Z","modified":"2024-08-04T17:30:07Z","updated_at":"2026-11-03T03:07:03.010139Z"}],"ghsa":[{"id":"GHSA-6wp2-fw3v-mfmc","title":"Memory corruption in array-tools","description":"An issue was discovered in the array-tools crate before 0.3.2 for Rust. Affected versions of this crate don't guard against panics, so that partially uninitialized buffer is dropped when user-provided `T::clone()` panics in `FixedCapacityDequeLike\u003cT, A\u003e::clone()`. This causes memory corruption.\n","status":"published","published":"2021-08-25T20:57:19Z","modified":"2023-02-01T05:05:56Z","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","CWE-909"],"updated_at":"2026-11-02T14:36:36.66596Z"}],"nvd":[{"id":"CVE-2020-36452","description":"An issue was discovered in the array-tools crate before 0.3.2 for Rust. FixedCapacityDequeLike::clone() has a drop of uninitialized memory.","status":"published","published":"2021-08-08T06:15:07.587Z","modified":"2026-06-17T03:15:31.323Z","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":"2026-11-02T14:06:44.292752Z"}],"osv":[{"id":"GHSA-6wp2-fw3v-mfmc","title":"Memory corruption in array-tools","description":"An issue was discovered in the array-tools crate before 0.3.2 for Rust. Affected versions of this crate don't guard against panics, so that partially uninitialized buffer is dropped when user-provided `T::clone()` panics in `FixedCapacityDequeLike\u003cT, A\u003e::clone()`. This causes memory corruption.\n","status":"published","published":"2021-08-25T20:57:19Z","modified":"2023-11-08T04:03:45.705412Z","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","CWE-909"],"updated_at":"2026-11-02T15:46:40.308826Z"},{"id":"RUSTSEC-2020-0132","title":"`FixedCapacityDequeLike::clone()` can cause dropping uninitialized memory","description":"Affected versions of this crate don't guard against panics, so that partially uninitialized buffer is dropped when user-provided `T::clone()` panics in `FixedCapacityDequeLike\u003cT, A\u003e::clone()`. This causes memory corruption.","status":"published","published":"2020-12-31T12:00:00Z","modified":"2023-11-08T04:03:45.705412Z","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"}],"updated_at":"2026-11-02T15:53:39.492624Z"}]}}