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CVE-2025-43859

🗓️ 24 Apr 2025 18:15:53Reported by Debian Security Bug TrackerType 
debiancve
 debiancve🔗 security-tracker.debian.org👁 4 Views

Vulnerability in h11 prior to version 0.16.0 allows request smuggling; fixed in 0.16.0 version.

Related
Packages
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Fusion and IBM Fusion HCI are vulnerable to request smuggling due to python package h11 (CVE-2025-43859)
17 Jun 202517:43
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM Business Automation Workflow Machine Learning Server are addressed with 24.0.0-IF006
6 Aug 202515:40
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IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities in IBM CloudPak for AIOps
30 Jul 202517:05
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IBM Security Bulletins		Security Bulletin: IBM watsonx Orchestrate Cartridge affected by vulnerability in h11-0.14.0-py3-none-any.whl
26 Sep 202511:04
–ibm
IBM Security Bulletins		Security Bulletin: IBM watsonx Orchestrate Developer Edition affected by vulnerability in h11-0.14.0-py3-none-any.whl CVE-2025-43859
22 Oct 202510:32
–ibm
IBM Security Bulletins		Security Bulletin: IBM Security QRadar EDR Software contains multiple vulnerabilities
11 Jun 202513:20
–ibm
IBM Security Bulletins		Security Bulletin: IBM watsonx Code Assistant On Prem product affected by h11 HTTP Chunk Handling Vulnerability
15 Sep 202514:46
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite Ai-Service Component uses h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a leniency in h11's parsing of line terminators in chunked-coding message bodies.
20 May 202511:48
–ibm
IBM Security Bulletins		Security Bulletin: Astronomer with IBM is vulnerable to request smuggling due to the h11 package (CVE-2025-43859).
11 Aug 202522:07
–ibm
AstraLinux		Astra Linux – Vulnerability in python-h11
27 Jan 202605:01
–astralinux
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian11anypython-h110python-h11_0_any.deb
Debian13anypython-h110.14.0-1.1python-h11_0.14.0-1.1_any.deb
Debian14anypython-h110.14.0-1.1python-h11_0.14.0-1.1_any.deb
Debian999anypython-h110.14.0-1.1python-h11_0.14.0-1.1_any.deb
Debian12anypython-h110.14.0-1.1~deb12u1python-h11_0.14.0-1.1~deb12u1_any.deb

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24 Apr 2025 18:15Current
7.5High risk
Vulners AI Score7.5
CVSS 3.19.1
EPSS0.00527
SSVC
cve numberh11 vulnerabilityhttp parsing issuerequest smugglingversion patchreverse proxy.
4