Vulnerability Database
Blog
FAQ
Docs
arrow_forward
search
DEBIAN-CVE-2021-3828
See a problem?
Please try reporting it
to the source
first.
Source
https://security-tracker.debian.org/tracker/CVE-2021-3828
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3828.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-3828
Upstream
CVE-2021-3828
Published
2021-09-27T13:15:07Z
Modified
2025-09-25T23:27:06.265721Z
Severity
7.5 (High)
CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Calculator
Summary
[none]
Details
nltk is vulnerable to Inefficient Regular Expression Complexity
References
https://security-tracker.debian.org/tracker/CVE-2021-3828
Affected packages
Debian:11
/
nltk
Package
Name
nltk
Purl
pkg:deb/debian/nltk?arch=source
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Affected versions
3.*
3.5-1
3.6.5-1
3.6.7-1
3.7-1
3.8-1
3.8.1-1
3.9.1-1
3.9.1-2
Ecosystem specific
{ "urgency": "not yet assigned" }
Debian:12
/
nltk
Package
Name
nltk
Purl
pkg:deb/debian/nltk?arch=source
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
3.6.5-1
Ecosystem specific
{ "urgency": "not yet assigned" }
Debian:13
/
nltk
Package
Name
nltk
Purl
pkg:deb/debian/nltk?arch=source
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
3.6.5-1
Ecosystem specific
{ "urgency": "not yet assigned" }
Debian:14
/
nltk
Package
Name
nltk
Purl
pkg:deb/debian/nltk?arch=source
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
3.6.5-1
Ecosystem specific
{ "urgency": "not yet assigned" }
DEBIAN-CVE-2021-3828 - OSV