{"id":"RUSTSEC-2026-0375","aliases":["GHSA-9prg-84vf-g5fc"],"title":"`wasi-http` p3: Guests can set incorrect content-length for spliced response bodies","summary":"`wasi-http` p3: Guests can set incorrect content-length for spliced response bodies","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/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 >= 49.0.0, < 49.0.4"],"patched":["wasmtime-wasi-http 49.0.4"],"published":"2026-10-19","updated":"2026-10-20","sourceUpdated":"2026-10-20T11:15:37.071259108Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0375","references":[{"url":"https://crates.io/crates/wasmtime-wasi-http"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0375.html"},{"url":"https://github.com/bytecodealliance/wasmtime/pull/14822"}],"tags":["osv","rust"],"ingestedAt":"2026-10-21T11:54:42.768Z","slug":"RUSTSEC-2026-0375","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-9prg-84vf-g5fc\nFor more information see the GitHub-hosted security advisory.\n\n## Affected packages\n\n- `wasmtime-wasi-http >= 49.0.0, < 49.0.4`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `wasmtime-wasi-http 49.0.4`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}