{"id":"CVE-2026-119140","aliases":["RUSTSEC-2026-0358","GHSA-5hhx-4wrr-3j9g"],"title":"Yielding in a component start function can lead to a host panic","summary":"Yielding in a component start function can lead to a host panic","severity":"none","vendor":"wasmtime","product":"wasmtime","ecosystem":"rust","affected":["wasmtime >= 49.0.0, < 49.0.3"],"patched":["wasmtime 49.0.3"],"published":"2026-10-14","updated":"2026-10-30","sourceUpdated":"2026-10-30T02:55:38.791039383Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0358","references":[{"url":"https://crates.io/crates/wasmtime"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0358.html"},{"url":"https://github.com/bytecodealliance/wasmtime/pull/14620"}],"tags":["osv","rust"],"epss":0.00208,"epssPercentile":0.10973,"ingestedAt":"2026-10-30T19:05:36.491Z","slug":"CVE-2026-119140","body":"## Overview\n\nThis is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-5hhx-4wrr-3j9g\nFor more information see the GitHub-hosted security advisory.\n\n## Affected packages\n\n- `wasmtime >= 49.0.0, < 49.0.3`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `wasmtime 49.0.3`","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}