CVE-2021-3842
Published: 4 January 2022
nltk is vulnerable to Inefficient Regular Expression Complexity
Priority
Status
Package | Release | Status |
---|---|---|
nltk Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Needs triage
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
lunar |
Not vulnerable
(3.7-1)
|
|
mantic |
Not vulnerable
(3.7-1)
|
|
noble |
Not vulnerable
(3.7-1)
|
|
trusty |
Needs triage
|
|
upstream |
Released
(3.6.6)
|
|
xenial |
Needs triage
|
|
Patches: upstream: https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d |
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 |
References
- https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a/
- https://github.com/nltk/nltk/pull/2906
- https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d (3.6.6)
- https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d
- https://www.cve.org/CVERecord?id=CVE-2021-3842
- NVD
- Launchpad
- Debian