{"id":"CVE-2020-35888","aliases":["EUVD-2021-1534","GHSA-36xw-hgfv-jwm7","GHSA-c7fw-cr3w-wvfc","GHSA-fhvj-7f9p-w788","RUSTSEC-2020-0034"],"status":"published","title":"Multiple security issues including data race, buffer overflow, and uninitialized memory drop in arr","description":"An issue was discovered in the arr crate through 2020-08-25 for Rust. Uninitialized memory is dropped by Array::new_from_template.","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":"2026-11-09","score":0.01534,"percentile":0.74998,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-362","CWE-908"],"published":"2020-08-25T12:00:00Z","modified":"2026-10-24T10:30:31Z","affected":[{"source":"ghsa","ecosystem":"crates.io","package":"arr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.6.1"}]}]},{"source":"osv","ecosystem":"crates.io","package":"arr","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.6.1"}]}],"bundled":3},{"source":"osv","ecosystem":"crates.io","package":"arr","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.6.1"}]}],"bundled":3},{"source":"osv","ecosystem":"crates.io","package":"arr","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.6.1"}]}],"bundled":3},{"source":"osv","ecosystem":"crates.io","package":"arr","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"}]}],"bundled":3}],"products":[{"vendor":"arr_project","product":"arr"}],"references":[{"url":"https://rustsec.org/advisories/RUSTSEC-2020-0034.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35888","tags":["advisory"]},{"url":"https://github.com/sjep/array/issues/1","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-36xw-hgfv-jwm7"},{"url":"https://github.com/sjep/array","tags":["package"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35886","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35887","tags":["advisory"]},{"url":"https://crates.io/crates/arr","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-35888","description":"An issue was discovered in the arr crate through 2020-08-25 for Rust. Uninitialized memory is dropped by Array::new_from_template.","status":"published","published":"2020-12-31T08:25:01Z","modified":"2024-08-04T17:16:13.07Z","updated_at":"2026-11-02T14:35:57.975444Z"}],"euvd":[{"id":"EUVD-2021-1534","description":"An issue was discovered in the arr crate through 2020-08-25 for Rust. Uninitialized memory is dropped by Array::new_from_template.","status":"published","published":"2020-12-31T08:25:01Z","modified":"2024-08-04T17:16:13Z","updated_at":"2026-11-03T03:07:04.595509Z"}],"ghsa":[{"id":"GHSA-36xw-hgfv-jwm7","title":"Multiple security issues including data race, buffer overflow, and uninitialized memory drop in arr","description":"arr crate contains multiple security issues. Specifically,\n\n1.  It incorrectly implements Sync/Send bounds, which allows to smuggle non-Sync/Send types across the thread boundary.\n2. Index and IndexMut implementation does not check the array bound.\n3. Array::new_from_template() drops uninitialized memory.\n","status":"published","published":"2021-08-25T20:48:36Z","modified":"2023-06-13T16:51:42Z","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"}],"nvd":[{"id":"CVE-2020-35888","description":"An issue was discovered in the arr crate through 2020-08-25 for Rust. Uninitialized memory is dropped by Array::new_from_template.","status":"published","published":"2020-12-31T10:15:16.583Z","modified":"2026-06-17T03:14:32.42Z","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":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"CVE-2020-35887","description":"An issue was discovered in the arr crate through 2020-08-25 for Rust. There is a buffer overflow in Index and IndexMut.","status":"published","published":"2020-12-31T10:15:16.52Z","modified":"2026-10-24T10:30:31.635727479Z","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":"2026-11-02T15:44:16.612899Z"},{"id":"GHSA-36xw-hgfv-jwm7","title":"Multiple security issues including data race, buffer overflow, and uninitialized memory drop in arr","description":"arr crate contains multiple security issues. Specifically,\n\n1.  It incorrectly implements Sync/Send bounds, which allows to smuggle non-Sync/Send types across the thread boundary.\n2. Index and IndexMut implementation does not check the array bound.\n3. Array::new_from_template() drops uninitialized memory.\n","status":"published","published":"2021-08-25T20:48:36Z","modified":"2024-03-15T00:05:27.030752Z","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":"2026-11-02T15:46:35.406455Z"},{"id":"GHSA-c7fw-cr3w-wvfc","title":"Multiple security issues including data race, buffer overflow, and uninitialized memory drop in arr","description":"arr crate contains multiple security issues. Specifically,\n\n1.  It incorrectly implements Sync/Send bounds, which allows to smuggle non-Sync/Send types across the thread boundary.\n2. Index and IndexMut implementation does not check the array bound.\n3. Array::new_from_template() drops uninitialized memory.\n","status":"published","published":"2021-08-25T20:49:04Z","modified":"2024-03-15T00:05:27.030752Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T15:46:44.571161Z"},{"id":"GHSA-fhvj-7f9p-w788","title":"Multiple security issues including data race, buffer overflow, and uninitialized memory drop in arr","description":"arr crate contains multiple security issues. Specifically,\n\n1.  It incorrectly implements Sync/Send bounds, which allows to smuggle non-Sync/Send types across the thread boundary.\n2. Index and IndexMut implementation does not check the array bound.\n3. Array::new_from_template() drops uninitialized memory.\n","status":"published","published":"2021-08-25T20:48:54Z","modified":"2024-03-15T00:05:27.030752Z","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-120"],"updated_at":"2026-11-02T15:46:46.39441Z"},{"id":"RUSTSEC-2020-0034","title":"Multiple security issues including data race, buffer overflow, and uninitialized memory drop","description":"`arr` crate contains multiple security issues. Specifically,\n\n1. It incorrectly implements Sync/Send bounds, which allows to smuggle non-Sync/Send types across the thread boundary.\n2. `Index` and `IndexMut` implementation does not check the array bound.\n3. `Array::new_from_template()` drops uninitialized memory.","status":"published","published":"2020-08-25T12:00:00Z","modified":"2024-03-15T00:05:27.030752Z","updated_at":"2026-11-02T15:53:39.492624Z"}]}}