CVE-2018-1061

Python 3.5 and 2 others: python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking…

CVE-2018-1061 is fixed in 2 products on 1 platform, first by Python 3.6 3.6.5, released March 28, 2018. 1 other affected product has no fix yet. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0474
91st percentile

python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method. An attacker could use this flaw to cause denial of service.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Python 3.6 3.6.5 Python 3.6 3.6.5 Mar 28, 2018
Python 3.7 3.7.1 Python 3.7 3.7.1 Oct 20, 2018
No fix yet
Python 3.5 (Windows apps) No fix yet no-fix n/a

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