Python is vulnerable to a denial of service, caused by a flaw in the elementtree C accelerator. By using a specially-crafted XML document, a remote attacker could exploit this vulnerability to cause a resource exhaustion.
Affected Products and Versions
Workarounds and Mitigations
Get Notified about Future Security Bulletins
03 June 2019: Original version published
16 July 2019 : Updated for Python 3.6 Availability
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
06 July 2020