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.
| Version | Score | Severity | Vector String |
|---|---|---|---|
| 3.0 | 6.5 | Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Product | Vendor | Version |
|---|---|---|
| python | [UNKNOWN] | < 0362847c520747b44b574d363705d8af0621727a |