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RUSTSEC-2026-0313 (GHSA-C9GC-W9VX-W86P)
Vulnerability from osv_rustsec – Published: 2026-09-24 12:00 – Updated: 2026-09-29 07:32 – Source website
VLAI
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 located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-c9gc-w9vx-w86p For more information see the GitHub-hosted security advisory.
Severity
6.2 (Medium)
References
{
"affected": [
{
"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
},
"ecosystem_specific": {
"affected_functions": null,
"affects": {
"arch": [],
"functions": [],
"os": []
}
},
"package": {
"ecosystem": "crates.io",
"name": "wasmtime-wasi-http",
"purl": "pkg:cargo/wasmtime-wasi-http"
},
"ranges": [
{
"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"
}
],
"type": "SEMVER"
}
],
"versions": []
}
],
"aliases": [
"GHSA-c9gc-w9vx-w86p"
],
"database_specific": {
"license": "CC0-1.0"
},
"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.",
"id": "RUSTSEC-2026-0313",
"modified": "2026-09-29T07:32:15Z",
"published": "2026-09-24T12:00:00Z",
"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"
}
],
"related": [],
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "Outgoing HTTP body write allows guest-driven host memory exhaustion"
}