CVE-2021-3828
Published: 27 September 2021
nltk is vulnerable to Inefficient Regular Expression Complexity
Priority
Status
Package | Release | Status |
---|---|---|
nltk Launchpad, Ubuntu, Debian |
bionic |
Released
(3.2.5-1ubuntu0.1+esm1)
Available with Ubuntu Pro |
focal |
Released
(3.4.5-2ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Released
(3.6.5-1)
|
|
kinetic |
Released
(3.6.5-1)
|
|
lunar |
Released
(3.6.5-1)
|
|
mantic |
Released
(3.6.5-1)
|
|
noble |
Released
(3.6.5-1)
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Released
(3.6.4)
|
|
xenial |
Released
(3.1-1ubuntu0.1+esm1)
Available with Ubuntu Pro |
|
Patches: upstream: https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |