{"id":"RUSTSEC-2026-0326","aliases":["GHSA-hw8m-q44c-ggrf"],"title":"Rooting for GC values live across `try_call` may be missing, causing GC heap corruption","summary":"Rooting for GC values live across `try_call` may be missing, causing GC heap corruption","severity":"medium","cvss":5.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","vendor":"wasmtime","product":"wasmtime","ecosystem":"rust","affected":["wasmtime >= 49.0.0, < 49.0.2"],"patched":["wasmtime 49.0.2"],"published":"2026-10-02","updated":"2026-10-02","sourceUpdated":"2026-10-02T20:30:03.006892282Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0326","references":[{"url":"https://crates.io/crates/wasmtime"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0326.html"},{"url":"https://github.com/bytecodealliance/wasmtime/pull/14478"}],"tags":["osv","rust"],"ingestedAt":"2026-10-03T07:26:10.040Z","slug":"RUSTSEC-2026-0326","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-hw8m-q44c-ggrf\nFor more information see the GitHub-hosted security advisory.\n\n## Affected packages\n\n- `wasmtime >= 49.0.0, < 49.0.2`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `wasmtime 49.0.2`","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":31.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}