{"id":"RUSTSEC-2026-0090","summary":"Use-after-free bug after cloning `wasmtime::Linker`","details":"This is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hfr4-7c6c-48w2\nFor more information see the GitHub-hosted security advisory.","aliases":["CVE-2026-34983","GHSA-hfr4-7c6c-48w2"],"modified":"2026-04-09T20:00:58.071517Z","published":"2026-04-09T12:00:00Z","database_specific":{"license":"CC0-1.0"},"references":[{"type":"PACKAGE","url":"https://crates.io/crates/wasmtime"},{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2026-0090.html"},{"type":"ADVISORY","url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hfr4-7c6c-48w2"}],"affected":[{"package":{"name":"wasmtime","ecosystem":"crates.io","purl":"pkg:cargo/wasmtime"},"ranges":[{"type":"SEMVER","events":[{"introduced":"43.0.0"},{"fixed":"43.0.1"}]}],"ecosystem_specific":{"affected_functions":null,"affects":{"functions":[],"arch":[],"os":[]}},"database_specific":{"cvss":"CVSS:4.0/AV:P/AC:H/AT:P/PR:H/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","source":"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2026-0090.json","informational":null,"categories":[]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:P/AC:H/AT:P/PR:H/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"}]}