Catastrophic Backtracking Vulnerability in difflib.IS_LINE_JUNK Method

CVE-2018-1061 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

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.

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