CVE-2026-115382

Source
https://cve.org/CVERecord?id=CVE-2026-115382
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-115382.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-115382
Aliases
Downstream
Published
2026-10-22T19:13:49Z
Modified
2026-10-28T02:31:01Z
Severity
  • 5.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 wasi:http Zero Timeout Panic DoS
Details

Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a denial-of-service vulnerability in its wasi:http implementation that allows guests to panic the host. Guests can specify a zero between-bytes-timeout request option, which is forwarded directly to a Tokio API that panics, crashing the host embedding.

Database specific
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-1284"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115382.json"
}
References

Affected packages

Git / github.com/bytecodealliance/wasmtime

Affected ranges

Type
GIT
Repo
https://github.com/bytecodealliance/wasmtime
Events
Database specific
Show details
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "46.0.0"
                },
                {
                    "fixed": "48.0.4"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "introduced": "49.0.0"
                },
                {
                    "fixed": "49.0.2"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        }
    ]
}

Affected versions

v49.*
v49.0.0
v49.0.1

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-115382.json"