CVE-2018-1061EPSS p92.0%
CVE-2018-1061CVE-2018-1061
python / python
Description
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.
Scoring
| CVSS | 6.5 () |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| EPSS | 4.92% probability of exploitation · percentile 92.0% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-15 |