DEBIAN-CVE-2026-93564

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Source
https://security-tracker.debian.org/tracker/CVE-2026-93564
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-93564.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-93564
Upstream
  • CVE-2026-93564
Published
2026-09-18T15:17:19Z
Modified
2026-09-19T05:00:32Z
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

A flaw was found in Netty. A reference-count leak in the HAProxy PROXY-v2 message decoder allows a remote, unauthenticated attacker to send specially crafted PROXY-protocol v2 headers. This can lead to memory exhaustion, resulting in a Denial of Service (DoS) for the affected system.

References

Affected packages

Debian:12 / netty

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-93564.json"

Debian:13 / netty

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-93564.json"

Debian:14 / netty

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-93564.json"