CVE-2026-27572
HIGH7.5EPSS 0.03%Panic adding excessive fields to a `wasi:http/types.fields` instance
Published: 2/24/2026Modified: 2/24/2026
Description
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-243v-98vx-264h For more information see the GitHub-hosted security advisory.
Affected packages (3)
- crates.io/wasmtimefrom 0, < 24.0.6
- crates.io/wasmtime>= 0.0.0-0, < 24.0.6, >= 25.0.0, < 36.0.6, >= 37.0.0, < 40.0.4, >= 41.0.0, < 41.0.4
- Debian/rust-wasmtimefrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (12)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-27572
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-27572
- PATCHhttps://crates.io/crates/wasmtime
- PATCHhttps://github.com/bytecodealliance/wasmtime
- WEBhttps://docs.rs/http/1.4.0/http/header/#limitations
- WEBhttps://github.com/bytecodealliance/wasmtime/commit/301dc7162cca51def19131019af1187f45901c0a
- WEBhttps://github.com/bytecodealliance/wasmtime/releases/tag/v24.0.6
- WEBhttps://github.com/bytecodealliance/wasmtime/releases/tag/v36.0.6
- WEBhttps://github.com/bytecodealliance/wasmtime/releases/tag/v40.0.4
- WEBhttps://github.com/bytecodealliance/wasmtime/releases/tag/v41.0.4
- WEBhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-243v-98vx-264h
- WEBhttps://rustsec.org/advisories/RUSTSEC-2026-0021.html