{"id":"GHSA-gfxp-f68g-8x78","summary":"LibYML: `libyml::string::yaml_string_extend` is unsound and unmaintained","details":"In version 0.0.4, `libyml::string::yaml_string_extend` was revised resulting in undefined behaviour, which is unsound.\n\nThe GitHub project for `libyml` was archived after unsoundness issues were raised.\n\nIf you rely on this crate, it is highly recommended switching to a maintained alternative.\n\n## Recommended alternatives\n\n- [`libyaml-safer`](https://crates.io/crates/libyaml-safer) \n- [`unsafe-libyaml-norway`](https://crates.io/crates/unsafe-libyaml-norway) - Maintained fork of `unsafe-libyaml`","aliases":["RUSTSEC-2025-0067"],"modified":"2025-10-28T06:29:24.654618Z","published":"2025-09-15T13:57:29Z","database_specific":{"github_reviewed_at":"2025-09-15T13:57:29Z","nvd_published_at":null,"cwe_ids":["CWE-758"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/rustsec/advisory-db/issues/2395"},{"type":"PACKAGE","url":"https://github.com/sebastienrousseau/libyml"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2025-0067.html"}],"affected":[{"package":{"name":"libyml","ecosystem":"crates.io","purl":"pkg:cargo/libyml"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.4"},{"last_affected":"0.0.5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/09/GHSA-gfxp-f68g-8x78/GHSA-gfxp-f68g-8x78.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"}]}