{"id":"RUSTSEC-2026-0421","aliases":["GHSA-h4wp-g4x3-7398"],"title":"wasi-http p2: outgoing content-length can be invalid or not match body","summary":"wasi-http p2: outgoing content-length can be invalid or not match body","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","vendor":"wasmtime-wasi-http","product":"wasmtime-wasi-http","ecosystem":"rust","affected":["wasmtime-wasi-http >= 50.0.0, < 50.0.1"],"patched":["wasmtime-wasi-http 50.0.1"],"published":"2026-10-29","updated":"2026-10-30","sourceUpdated":"2026-10-30T10:45:03.073666397Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0421","references":[{"url":"https://crates.io/crates/wasmtime-wasi-http"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0421.html"},{"url":"https://github.com/bytecodealliance/wasmtime/pull/15070"}],"tags":["osv","rust"],"ingestedAt":"2026-10-30T19:05:36.527Z","slug":"RUSTSEC-2026-0421","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-h4wp-g4x3-7398\nFor more information see the GitHub-hosted security advisory.\n\n## Affected packages\n\n- `wasmtime-wasi-http >= 50.0.0, < 50.0.1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `wasmtime-wasi-http 50.0.1`","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}