Inefficient Regular Expression Complexity in nltk/nltk
CVE-2021-3828

7.5HIGH

Key Information:

Vendor

Nltk

Status
Nltk/nltk
Vendor
CVE Published:
27 September 2021

What is CVE-2021-3828?

nltk is vulnerable to Inefficient Regular Expression Complexity

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Deploy the Patch

Affected Version(s)

nltk/nltk <= 3.6.3

References

https://huntr.dev/bounties/d19aed43-75bc-4a03-91a0-4d0bb5...
x_refsource_CONFIRM
https://github.com/nltk/nltk/commit/277711ab1dec729e626b2...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

CVSS V3.0

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Srikanth Prathi (@srikanthprathi)
Tom Aarsen (@tomaarsen)
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