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Python DoS Vulnerability (bpo-44394) - Mac OS X
Information
Severity
Severity
Medium
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
6.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
1 year ago
Modified
Modified
1 year ago
Summary
Python is prone to a denial of service (DoS) vulnerability.
Insight
Insight
On Windows and macOS, Python uses a vendored copy of libexpat which is vulnerable to the XML 'Billion Laughs' expansion denial of service attack. Updating libexpat copy in Python to libexpat 2.4.0 or newer fix the vulnerability.
Affected Software
Affected Software
Python versions prior to 3.6.15, 3.7.x prior to 3.7.12, 3.8.x prior to 3.8.12 and 3.9.x prior to 3.9.7.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 3.6.15, 3.7.12, 3.8.12, 3.9.7, 3.10.0 or later.