{"id":"UBUNTU-CVE-2020-35904","details":"An issue was discovered in the crossbeam-channel crate before 0.4.4 for Rust. It has incorrect expectations about the relationship between the memory allocation and how many iterator elements there are.","modified":"2025-10-24T04:48:58Z","published":"2020-12-31T09:15:00Z","upstream":["CVE-2020-35904"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-35904"},{"type":"REPORT","url":"https://rustsec.org/advisories/RUSTSEC-2020-0052.html"},{"type":"REPORT","url":"https://github.com/crossbeam-rs/crossbeam/pull/533"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-35904"}],"affected":[{"package":{"name":"rust-crossbeam-channel","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/rust-crossbeam-channel@0.3.9-2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.9-2"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-crossbeam-channel-dev","binary_version":"0.3.9-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35904.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}