CVE-2021-3842

nltk is vulnerable to Inefficient Regular Expression Complexity

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Information

Published : 2022-01-04 07:15

Updated : 2022-01-12 13:15

NVD link : CVE-2021-3842

Mitre link : CVE-2021-3842

JSON object : View

CWE

CWE-1333

Inefficient Regular Expression Complexity

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Products Affected

debian

debian_linux

fedoraproject

fedora

nltk

nltk

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