Missing Initialization of Resource Affecting python2.7 package, versions <2.7.15-5


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.63% (80th percentile)

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  • Snyk IDSNYK-DEBIAN11-PYTHON27-528322
  • published25 Sept 2018
  • disclosed25 Sept 2018

Introduced: 25 Sep 2018

CVE-2018-14647  (opens in a new tab)
CWE-909  (opens in a new tab)

How to fix?

Upgrade Debian:11 python2.7 to version 2.7.15-5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python2.7 package and not the python2.7 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.

CVSS Scores

version 3.1