A flaw was found in the way catastrophic backtracking was implemented in python's difflib.IS_LINE_JUNK method. An attacker could use this flaw to cause denial of service.
| Platform | Package | Release Date | Advisory |
|---|---|---|---|
| Amazon Linux 2 - Core | python | 2019-06-25 21:04 | ALAS2-2019-1230 |
| Amazon Linux 1 | python27 | 2018-12-06 00:22 | ALAS-2018-1108 |
| Amazon Linux 1 | python27 | 2018-04-26 17:28 | ALAS-2018-1003 |
| Amazon Linux 1 | python34 | 2018-04-26 17:28 | ALAS-2018-1003 |
| Amazon Linux 1 | python35 | 2018-04-26 17:28 | ALAS-2018-1003 |
| Amazon Linux 1 | python36 | 2018-04-26 17:28 | ALAS-2018-1003 |
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| NVD | CVSSv3 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
