CVE-2021-3842
Publication date 4 January 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
nltk is vulnerable to Inefficient Regular Expression Complexity
Status
Package | Ubuntu Release | Status |
---|---|---|
nltk | 24.10 oracular |
Not affected
|
24.04 LTS noble |
Not affected
|
|
22.04 LTS jammy |
Needs evaluation
|
|
20.04 LTS focal |
Needs evaluation
|
|
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial |
Needs evaluation
|
|
14.04 LTS trusty | Ignored end of ESM support, was needs-triage |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 · High |
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
Other 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