DEBIAN-CVE-2026-42585

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Source
https://security-tracker.debian.org/tracker/CVE-2026-42585
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42585.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2026-42585
Upstream
Published
2026-05-13T19:17:24.187Z
Modified
2026-05-19T09:00:09.841437150Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty incorrectly parses malformed Transfer-Encoding, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.

References

Affected packages

Debian:11 / netty

Package

Name
netty
Purl
pkg:deb/debian/netty?arch=source&distro=bullseye

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:4.*
1:4.1.48-4
1:4.1.48-4+deb11u1
1:4.1.48-4+deb11u2
1:4.1.48-4+deb11u3
1:4.1.48-5
1:4.1.48-6
1:4.1.48-7
1:4.1.48-8
1:4.1.48-9
1:4.1.48-10
1:4.1.48-11
1:4.1.48-12
1:4.1.48-13
1:4.1.48-14
1:4.1.48-15
1:4.1.48-16

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42585.json"

Debian:12 / netty

Package

Name
netty
Purl
pkg:deb/debian/netty?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:4.*
1:4.1.48-7
1:4.1.48-7+deb12u1
1:4.1.48-7+deb12u2
1:4.1.48-8
1:4.1.48-9
1:4.1.48-10
1:4.1.48-11
1:4.1.48-12
1:4.1.48-13
1:4.1.48-14
1:4.1.48-15
1:4.1.48-16

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42585.json"

Debian:13 / netty

Package

Name
netty
Purl
pkg:deb/debian/netty?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:4.*
1:4.1.48-10
1:4.1.48-10+deb13u1
1:4.1.48-11
1:4.1.48-12
1:4.1.48-13
1:4.1.48-14
1:4.1.48-15
1:4.1.48-16

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42585.json"

Debian:14 / netty

Package

Name
netty
Purl
pkg:deb/debian/netty?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:4.*
1:4.1.48-10
1:4.1.48-11
1:4.1.48-12
1:4.1.48-13
1:4.1.48-14
1:4.1.48-15
1:4.1.48-16

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42585.json"