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githubGitHub Advisory DatabaseGHSA-RQJH-JP2R-59CJ
HistoryJan 06, 2022 - 10:24 p.m.

NLTK Vulnerable to REDoS

2022-01-0622:24:14
CWE-1333
GitHub Advisory Database
github.com
19
nltk
vulnerable
redos
regexptaggers
software

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

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

EPSS

0.001

Percentile

43.9%

JSON

NLTK is vulnerable to REDoS in some RegexpTaggers used in the functions get_pos_tagger and malt_regex_tagger.

Affected configurations

Vulners
Node
nltknltkRange<3.6.6
VendorProductVersionCPE
nltknltk*cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*

Related

cvelist 1
veracode 1
osv 3
cve 1
nvd 1
debiancve 1
ubuntucve 1
huntr 1
prion 1
cvelist
cvelist
CVE-2021-3842 Inefficient Regular Expression Complexity in nltk/nltk
2022-01-04 14:50:09
veracode
veracode
Regular Expression Denial Of Service (ReDoS)
2022-01-05 03:41:47
osv
osv
CVE-2021-3842
2022-01-04 15:15:07
PYSEC-2022-5
2022-01-04 15:15:00
NLTK Vulnerable to REDoS
2022-01-06 22:24:14
cve
cve
CVE-2021-3842
2022-01-04 15:15:07
nvd
nvd
CVE-2021-3842
2022-01-04 15:15:07
debiancve
debiancve
CVE-2021-3842
2022-01-04 15:15:07
ubuntucve
ubuntucve
CVE-2021-3842
2022-01-04 00:00:00
huntr
huntr
Inefficient Regular Expression Complexity in nltk/nltk
2021-12-07 12:51:51
prion
prion
Design/Logic Flaw
2022-01-04 15:15:00

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

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

EPSS

0.001

Percentile

43.9%

JSON
Related for GHSA-RQJH-JP2R-59CJ
cvelist1veracode1osv3cve1nvd1debiancve1ubuntucve1huntr1prion1