FreeBSD4C52EC3C-86F3-11EA-B5B4-641C67A117D8py-bleach -- regular expression denial-of-service
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
29.7%
Bleach developers reports:
bleach.clean behavior parsing style attributes could result in a
regular expression denial of service (ReDoS).
Calls to bleach.clean with an allowed tag with an allowed style
attribute are vulnerable to ReDoS. For example, bleach.clean(…,
attributes={‘a’: [‘style’]}).
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| FreeBSD | any | noarch | py27-bleach | < 3.1.4 | UNKNOWN |
| FreeBSD | any | noarch | py35-bleach | < 3.1.4 | UNKNOWN |
| FreeBSD | any | noarch | py36-bleach | < 3.1.4 | UNKNOWN |
| FreeBSD | any | noarch | py37-bleach | < 3.1.4 | UNKNOWN |
| FreeBSD | any | noarch | py38-bleach | < 3.1.4 | UNKNOWN |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
29.7%