Vulnerability RUSTSEC-2026-0375

Medium Risk
MEDIUM RISK
CVSS Score: 5.3
Score Range: 4.0–6.9
Medium severity vulnerabilities (CVSS 4.0–6.9). Important issues that meaningfully reduce security confidence.
1 day ago
October 19, 2026 at 12:00 PM UTC
`wasi-http` p3: Guests can set incorrect content-length for spliced response bodies
46.0.0 - 48.0.6 and 49.0.0 - 49.0.3
46.0.0 - 48.0.6 and 49.0.0 - 49.0.3

Summary

`wasi-http` p3: Guests can set incorrect content-length for spliced response bodies

Details

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-9prg-84vf-g5fc For more information see the GitHub-hosted security advisory.

Impacted packages

Timeline

Published
1 day ago
October 19, 2026 at 12:00 PM UTC
Fixed (49.0.4)
21 hours ago
October 19, 2026 at 07:15 PM UTC
Fixed (48.0.7)
21 hours ago
October 19, 2026 at 07:17 PM UTC
Last Modified
5 hours ago
October 20, 2026 at 11:15 AM UTC