{"schema_version":"1.9.0","id":"RUSTSEC-2026-0223","published":"2026-07-31T12:00:00Z","modified":"2026-10-12T18:00:14.899123980Z","aliases":["CVE-2026-104855","GHSA-2hw9-mc66-jc2q"],"summary":"Preemption and traps during bulk operations enable breaking internal VM state","details":"This is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-2hw9-mc66-jc2q\nFor more information see the GitHub-hosted security advisory.","affected":[{"package":{"name":"wasmtime","ecosystem":"crates.io","purl":"pkg:cargo/wasmtime"},"ranges":[{"type":"SEMVER","events":[{"introduced":"46.0.0"},{"fixed":"46.0.2"},{"introduced":"47.0.0"},{"fixed":"47.0.3"}]}],"ecosystem_specific":{"affected_functions":null,"affects":{"arch":[],"functions":[],"os":[]}},"database_specific":{"categories":[],"cvss":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","informational":null,"source":"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2026-0223.json"}}],"references":[{"type":"PACKAGE","url":"https://crates.io/crates/wasmtime"},{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2026-0223.html"},{"type":"WEB","url":"https://github.com/bytecodealliance/wasmtime/pull/14045"}],"database_specific":{"license":"CC0-1.0"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"}]}