{"id":"GHSA-xrv3-jmcp-374j","summary":"zerovec incorrectly uses `#[repr(packed)]`","details":"The affected versions make unsafe memory accesses under the assumption that `#[repr(packed)]` has a guaranteed field order. \n\nThe Rust specification does not guarantee this, and https://github.com/rust-lang/rust/pull/125360 (1.80.0-beta) starts \nreordering fields of `#[repr(packed)]` structs, leading to illegal memory accesses.\n\nThe patched versions `0.9.7` and `0.10.4` use `#[repr(C, packed)]`, which guarantees field order.\n","aliases":["RUSTSEC-2024-0347"],"modified":"2026-09-10T03:50:17.197493907Z","published":"2024-07-08T18:36:40Z","database_specific":{"nvd_published_at":null,"cwe_ids":["CWE-120"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2024-07-08T18:36:40Z"},"references":[{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2024-0347.html"}],"affected":[{"package":{"name":"zerovec","ecosystem":"crates.io","purl":"pkg:cargo/zerovec"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.10.0"},{"fixed":"0.10.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/07/GHSA-xrv3-jmcp-374j/GHSA-xrv3-jmcp-374j.json"}},{"package":{"name":"zerovec","ecosystem":"crates.io","purl":"pkg:cargo/zerovec"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.9.7"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/07/GHSA-xrv3-jmcp-374j/GHSA-xrv3-jmcp-374j.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"}]}