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python: Python: HTTP header injection via CR/LF in proxy tunnel headers

🗓️ 19 May 2026 18:30:42Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 12 Views

Python vulnerability allows HTTP header injection via carriage return and line feed in proxy tunnel headers or host fields.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64python3.143.14.4-2.el9_8python3.14-3.14.4-2.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8i686python3.143.14.4-2.el9_8python3.14-3.14.4-2.el9_8.i686.rpm
Red Hat Enterprise Linux9.8ppc64lepython3.143.14.4-2.el9_8python3.14-3.14.4-2.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xpython3.143.14.4-2.el9_8python3.14-3.14.4-2.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64python3.143.14.4-2.el9_8python3.14-3.14.4-2.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64python3.14-debug3.14.4-2.el9_8python3.14-debug-3.14.4-2.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8i686python3.14-debug3.14.4-2.el9_8python3.14-debug-3.14.4-2.el9_8.i686.rpm
Red Hat Enterprise Linux9.8ppc64lepython3.14-debug3.14.4-2.el9_8python3.14-debug-3.14.4-2.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xpython3.14-debug3.14.4-2.el9_8python3.14-debug-3.14.4-2.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64python3.14-debug3.14.4-2.el9_8python3.14-debug-3.14.4-2.el9_8.x86_64.rpm
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06 Jul 2026 05:46Current
7.2High risk
Vulners AI Score7.2
CVSS 45.7
EPSS0.00562
SSVC
12