{"id":"CVE-2020-35877","aliases":["EUVD-2021-1811","GHSA-m3ww-7hrp-gw9w","GHSA-p2q9-9cq6-h3jw","RUSTSEC-2020-0022"],"status":"published","title":"Out of bounds read in Ozone","description":"An issue was discovered in the ozone crate through 2020-07-04 for Rust. Memory safety is violated because of out-of-bounds access.","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":0.74999,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-908"],"published":"2020-07-04T12:00:00Z","modified":"2026-06-17T03:14:31Z","affected":[{"source":"ghsa","ecosystem":"crates.io","package":"ozone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"ozone","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.1.0"}]}],"bundled":2},{"source":"osv","ecosystem":"crates.io","package":"ozone","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.1.0"}]}],"bundled":2},{"source":"osv","ecosystem":"crates.io","package":"ozone","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"}]}],"bundled":2}],"products":[{"vendor":"ozone_project","product":"ozone"}],"references":[{"url":"https://rustsec.org/advisories/RUSTSEC-2020-0022.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35877","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p2q9-9cq6-h3jw"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35878","tags":["advisory"]},{"url":"https://github.com/bqv/ozone","tags":["package"]},{"url":"https://crates.io/crates/ozone","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-35877","description":"An issue was discovered in the ozone crate through 2020-07-04 for Rust. Memory safety is violated because of out-of-bounds access.","status":"published","published":"2020-12-31T08:27:08Z","modified":"2024-08-04T17:16:12.631Z","updated_at":"2026-11-02T14:35:57.975444Z"}],"euvd":[{"id":"EUVD-2021-1811","description":"An issue was discovered in the ozone crate through 2020-07-04 for Rust. Memory safety is violated because of out-of-bounds access.","status":"published","published":"2020-12-31T08:27:08Z","modified":"2024-08-04T17:16:12Z","updated_at":"2026-11-03T03:07:04.595509Z"}],"ghsa":[{"id":"GHSA-p2q9-9cq6-h3jw","title":"Out of bounds read in Ozone","description":"An issue was discovered in the ozone crate through version 0.1.0 for Rust. Memory safety is violated because of out-of-bounds access.","status":"published","published":"2021-08-25T20:47:46Z","modified":"2023-06-13T20:11:35Z","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-119"],"updated_at":"2026-11-02T14:36:53.654352Z"}],"nvd":[{"id":"CVE-2020-35877","description":"An issue was discovered in the ozone crate through 2020-07-04 for Rust. Memory safety is violated because of out-of-bounds access.","status":"published","published":"2020-12-31T10:15:15.927Z","modified":"2026-06-17T03:14:31.053Z","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-119"],"updated_at":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"GHSA-m3ww-7hrp-gw9w","title":"Drop of uninitialized memory in Ozone","description":"An issue was discovered in the ozone crate through version 0.1.0 for Rust. Memory safety is violated because of the dropping of uninitialized memory.","status":"published","published":"2021-08-25T20:47:41Z","modified":"2023-11-08T04:03:37.072108Z","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-119","CWE-908"],"updated_at":"2026-11-02T15:46:51.10002Z"},{"id":"GHSA-p2q9-9cq6-h3jw","title":"Out of bounds read in Ozone","description":"An issue was discovered in the ozone crate through version 0.1.0 for Rust. Memory safety is violated because of out-of-bounds access.","status":"published","published":"2021-08-25T20:47:46Z","modified":"2023-11-08T04:03:37.072108Z","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-119"],"updated_at":"2026-11-02T15:46:52.534897Z"},{"id":"RUSTSEC-2020-0022","title":"Ozone contains several memory safety issues","description":"Ozone contains several memory safety issues including [out-of-bound access](https://github.com/bqv/ozone/blob/e21f948b0178ab305f644118f18d87a838c618e0/src/buffer.rs#L38-L48)\nand dropping of [uninitialized memory](https://github.com/bqv/ozone/blob/e21f948b0178ab305f644118f18d87a838c618e0/src/map.rs#L94-L101).","status":"published","published":"2020-07-04T12:00:00Z","modified":"2023-11-08T04:03:37.072108Z","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"}]}}