DEBIAN-CVE-2020-11612

Source
https://security-tracker.debian.org/tracker/CVE-2020-11612
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-11612.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2020-11612
Upstream
Published
2020-04-07T18:15:13Z
Modified
2025-09-25T22:40:48Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.

References

Affected packages

Debian:11 / netty

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.1.48-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / netty

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.1.48-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / netty

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.1.48-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:14 / netty

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.1.48-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}