CVE-2026-33870
Published Mar 27, 2026
Last updated a month ago
CVSS high 7.5
Tunneling protocol
Database
HTTP
- Description
- Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.132.Final and 4.2.10.Final, Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling request smuggling attacks. Versions 4.1.132.Final and 4.2.10.Final fix the issue.
- Source
- security-advisories@github.com
- NVD status
- Modified
- Products
- netty
CVSS 3.1
- Type
- Secondary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Severity
- HIGH
- Hype score
- Not currently trending
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:netty:netty:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8F551B7E-5E29-4062-8FDB-AA1377B3E8F5",
"versionEndExcluding": "4.1.132",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netty:netty:*:*:*:*:*:*:*:*",
"matchCriteriaId": "419E92FA-6271-4613-AF3D-CF09ADFF2E13",
"versionEndExcluding": "4.2.10",
"versionStartIncluding": "4.2.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]