DEBIAN-CVE-2026-10143

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Source
https://security-tracker.debian.org/tracker/CVE-2026-10143
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10143.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-10143
Upstream
Published
2026-06-10T22:16:55Z
Modified
2026-09-11T08:47:32Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

kafka-python prior to 2.3.2 contains a denial-of-service vulnerability in SCRAM authentication handling that allows a malicious or machine-in-the-middle broker to freeze the client event loop by supplying an excessively large iteration count. In scram.py, ScramClient.process_server_first_message() passes the broker-controlled SCRAM iteration count directly to hashlib.pbkdf2_hmac() without validation, blocking producer sends, consumer polls, admin operations, and heartbeats, which can cause consumer group eviction and repeated reconnect failures.

References

Affected packages

Debian:12 / python-kafka

Package

Name
python-kafka
Purl
pkg:deb/debian/python-kafka?arch=source&distro=bookworm

Affected ranges

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

Affected versions

2.*
2.0.2-3
2.0.2-4
2.0.2-5
2.0.2-6
2.0.2-7
2.0.2-8
2.0.2-9
2.0.2-10
2.0.2-11
2.0.2-12

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10143.json"

Debian:13 / python-kafka

Package

Name
python-kafka
Purl
pkg:deb/debian/python-kafka?arch=source&distro=trixie

Affected ranges

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

Affected versions

2.*
2.0.2-9
2.0.2-10
2.0.2-11
2.0.2-12

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10143.json"

Debian:14 / python-kafka

Package

Name
python-kafka
Purl
pkg:deb/debian/python-kafka?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.0.2-12

Affected versions

2.*
2.0.2-9
2.0.2-10
2.0.2-11

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10143.json"