{"action":"Upgrade wasmtime to 24.0.7 or later.","affected":[{"fixed":"24.0.7","introduced":"0"},{"fixed":"36.0.7","introduced":"25.0.0"},{"fixed":"42.0.2","introduced":"37.0.0"},{"fixed":"43.0.1","introduced":"43.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-34941"],"ecosystem":"crates.io","epss":0.00376,"exploited":false,"fixed_versions":["24.0.7","36.0.7","42.0.2","43.0.1"],"ghsa_id":"GHSA-hx6p-xpx3-jvvv","id":"tcs_01M5KF0R7MVSSYNNWX84WNFRXD","modified_at":"2026-09-10T03:51:02.222291609Z","published_at":"2026-04-09T20:22:08Z","references":["https://osv.dev/vulnerability/GHSA-hx6p-xpx3-jvvv","https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hx6p-xpx3-jvvv","https://nvd.nist.gov/vuln/detail/CVE-2026-34941","https://github.com/bytecodealliance/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0093.html"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GHSA-hx6p-xpx3-jvvv","url":"https://osv.dev/vulnerability/GHSA-hx6p-xpx3-jvvv"}],"summary":"Wasmtime: Heap OOB read in component model UTF-16 to latin1+utf16 string transcoding"}