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waitress: python-waitress: request processing race condition in HTTP pipelining with invalid first request

🗓️ 10 Feb 2025 01:06:53Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Waitress HTTP pipelining race: 8192-byte first request with lookahead lets second request be serviced while error is sent.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Waitress WSGI Server Vulnerability: HTTP Pipelining Request Handling with Disabled Lookahead
1 Jul 202517:59
–ibm
IBM Security Bulletins		Security Bulletin: IBM Storage Ceph is vulnerable to Time-of-check Time-of-use in python-waitress (CVE-2024-49768)
30 Dec 202517:54
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerability in Waitress affects IBM Process Mining (CVE-2024-49768)
15 Apr 202503:15
–ibm
Tenable Nessus		Amazon Linux 2023 : python3-waitress (ALAS2023-2024-773)
11 Dec 202400:00
–nessus
Tenable Nessus		Fedora 41 : python-waitress (2024-157678aad0)
16 Nov 202400:00
–nessus
Tenable Nessus		Fedora 40 : mingw-python-waitress (2024-5abfdba2b7)
28 Nov 202400:00
–nessus
Tenable Nessus		RHEL 9 : OpenShift Container Platform 4.15.39 (RHSA-2024:10145)
26 Nov 202400:00
–nessus
Tenable Nessus		RHEL 9 : OpenShift Container Platform 4.12.70 (RHSA-2024:10535)
5 Dec 202400:00
–nessus
Tenable Nessus		RHEL 9 : OpenShift Container Platform 4.13.54 (RHSA-2024:10815)
12 Dec 202400:00
–nessus
Tenable Nessus		RHEL 9 : OpenShift Container Platform 4.17.5 (RHSA-2024:9613)
25 Nov 202400:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9anypython3-waitress0:2.0.0-4.el9ostpython3-waitress-0:2.0.0-4.el9ost.noarch.rpm

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22 Mar 2026 05:15Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.8 - 9.1
EPSS0.00572
SSVC
CWE-444
waitresshttp pipeliningexact 8192 byteslookahead enabledrace conditionsecond request serviced
3