Vulnerability from cleanstart
Published
2026-06-10 01:14
Modified
2026-06-09 06:14
Summary
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU
Details
Multiple security vulnerabilities affect the nats-streaming package. Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU. See references for individual vulnerability details.
Severity
9.8 (Critical)
References
{
"affected": [
{
"package": {
"ecosystem": "CleanStart",
"name": "nats-streaming"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.24.6-r1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [],
"database_specific": {},
"details": "Multiple security vulnerabilities affect the nats-streaming package. Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU. See references for individual vulnerability details.",
"id": "CLEANSTART-2026-CP20786",
"modified": "2026-06-09T06:14:32Z",
"published": "2026-06-10T01:14:55.975405Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-CP20786.json"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-27145"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-33811"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-33814"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39817"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39819"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39820"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39823"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39824"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39825"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39826"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39827"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39828"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39829"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39830"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39831"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39832"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39833"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39834"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39835"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39836"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42499"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42501"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42504"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42507"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42508"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-46595"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-46597"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-46598"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27145"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33811"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33814"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39817"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39819"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39820"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39823"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39824"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39825"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39826"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39827"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39828"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39829"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39830"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39831"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39832"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39833"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39834"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39835"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39836"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42499"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42501"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42504"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42507"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42508"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46595"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46597"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46598"
}
],
"related": [],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU",
"upstream": [
"CVE-2026-27145",
"CVE-2026-33811",
"CVE-2026-33814",
"CVE-2026-39817",
"CVE-2026-39819",
"CVE-2026-39820",
"CVE-2026-39823",
"CVE-2026-39824",
"CVE-2026-39825",
"CVE-2026-39826",
"CVE-2026-39827",
"CVE-2026-39828",
"CVE-2026-39829",
"CVE-2026-39830",
"CVE-2026-39831",
"CVE-2026-39832",
"CVE-2026-39833",
"CVE-2026-39834",
"CVE-2026-39835",
"CVE-2026-39836",
"CVE-2026-42499",
"CVE-2026-42501",
"CVE-2026-42504",
"CVE-2026-42507",
"CVE-2026-42508",
"CVE-2026-46595",
"CVE-2026-46597",
"CVE-2026-46598"
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…