{"id":"CVE-2020-35900","aliases":["EUVD-2021-1609","GHSA-75cq-g75g-rxff","RUSTSEC-2020-0047"],"status":"published","title":"use-after-free vulnerability in Rust array-queue","description":"An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00431,"percentile":0.37534,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2020-09-26T12:00:00Z","modified":"2026-06-17T03:14:34Z","affected":[{"source":"ghsa","ecosystem":"crates.io","package":"array-queue","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.3.0"},{"last_affected":"0.3.3"}]}]},{"source":"osv","ecosystem":"crates.io","package":"array-queue","ranges":[{"type":"SEMVER","events":[{"introduced":"0.3.0"},{"last_affected":"0.3.3"}]}]},{"source":"osv","ecosystem":"crates.io","package":"array-queue","ranges":[{"type":"SEMVER","events":[{"introduced":"0.3.0"}]}]}],"products":[{"vendor":"array-queue_project","product":"array-queue"}],"references":[{"url":"https://rustsec.org/advisories/RUSTSEC-2020-0047.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35900","tags":["advisory"]},{"url":"https://github.com/raviqqe/array-queue/issues/2","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-75cq-g75g-rxff"},{"url":"https://github.com/raviqqe/array-queue","tags":["package"]},{"url":"https://crates.io/crates/array-queue","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-35900","description":"An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.","status":"published","published":"2020-12-31T08:22:44Z","modified":"2024-08-04T17:16:13.087Z","updated_at":"2026-11-02T14:35:57.975444Z"}],"euvd":[{"id":"EUVD-2021-1609","description":"An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.","status":"published","published":"2020-12-31T08:22:44Z","modified":"2024-08-04T17:16:13Z","updated_at":"2026-11-03T03:07:04.595509Z"}],"ghsa":[{"id":"GHSA-75cq-g75g-rxff","title":"use-after-free vulnerability in Rust array-queue","description":"An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.","status":"published","published":"2021-08-25T21:00:43Z","modified":"2023-01-09T05:05:05Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:36:11.367194Z"}],"nvd":[{"id":"CVE-2020-35900","description":"An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.","status":"published","published":"2020-12-31T09:15:14.803Z","modified":"2026-06-17T03:14:34.007Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"GHSA-75cq-g75g-rxff","title":"use-after-free vulnerability in Rust array-queue","description":"An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.","status":"published","published":"2021-08-25T21:00:43Z","modified":"2023-11-08T04:03:38.302446Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:46:40.657155Z"},{"id":"RUSTSEC-2020-0047","title":"array_queue pop_back() may cause a use-after-free","description":"array_queue implements a circular queue that wraps around an array. However, it\nfails to properly index into the array in the `pop_back` function allowing the\nreading of previously dropped or uninitialized memory.","status":"published","published":"2020-09-26T12:00:00Z","modified":"2023-11-08T04:03:38.302446Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:39.492624Z"}]}}