{"schema_version":"1.9.0","id":"RUSTSEC-2026-0313","published":"2026-09-24T12:00:00Z","modified":"2026-10-23T10:55:50.282824395Z","aliases":["CVE-2026-115388","GHSA-c9gc-w9vx-w86p"],"summary":"Outgoing HTTP body write allows guest-driven host memory exhaustion","details":"This is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-c9gc-w9vx-w86p\nFor more information see the GitHub-hosted security advisory.","affected":[{"package":{"name":"wasmtime-wasi-http","ecosystem":"crates.io","purl":"pkg:cargo/wasmtime-wasi-http"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"},{"fixed":"36.0.16"},{"introduced":"37.0.0"},{"fixed":"48.0.3"},{"introduced":"49.0.0"},{"fixed":"49.0.1"}]}],"ecosystem_specific":{"affected_functions":null,"affects":{"arch":[],"functions":[],"os":[]}},"database_specific":{"categories":[],"cvss":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","informational":null,"source":"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2026-0313.json"}}],"references":[{"type":"PACKAGE","url":"https://crates.io/crates/wasmtime-wasi-http"},{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2026-0313.html"},{"type":"WEB","url":"https://github.com/bytecodealliance/wasmtime/pull/14408"}],"database_specific":{"license":"CC0-1.0"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}