Security Advisory

CVE-2018-14647

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2018-09-25 00:00:00

Last updated 2024-08-05 09:38:13

Assigner redhat

CVSS score 5.3

State PUBLISHED

Description

Python's elementtree C accelerator failed to initialise Expat's hash salt during initialization. This could make it easy to conduct denial of service attacks against Expat by constructing an XML document that would cause pathological hash collisions in Expat's internal data structures, consuming large amounts CPU and RAM. The vulnerability exists in Python versions 3.7.0, 3.6.0 through 3.6.6, 3.5.0 through 3.5.6, 3.4.0 through 3.4.9, 2.7.0 through 2.7.15.

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