{"id":"RUSTSEC-2026-0364","aliases":["GHSA-p79w-pv2r-29qp"],"title":"Exception tags can cause host data structures to be unaligned","summary":"Exception tags can cause host data structures to be unaligned","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":"2026-10-14","sourceUpdated":"2026-10-14T20:30:03.597701258Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0364","references":[{"url":"https://crates.io/crates/wasmtime"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0364.html"},{"url":"https://github.com/bytecodealliance/wasmtime/pull/14731"}],"tags":["osv","rust"],"ingestedAt":"2026-10-15T11:47:08.236Z","slug":"RUSTSEC-2026-0364","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-p79w-pv2r-29qp\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":[]}