Lucene search
K

CVE-2021-43854

🗓️ 23 Dec 2021 17:55:11Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 85 Views

NLTK (Natural Language Toolkit) prior to 3.6.5 is vulnerable to regular expression denial of service (ReDoS) attacks in PunktSentenceTokenizer, sent_tokenize, and word_tokenize, allowing crafted long inputs to cause significant execution time. Upgrade recommended or implement input length limit

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2021-43854
23 Dec 202120:21
circl
CNNVD
Natural Language Toolkit 资源管理错误漏洞
23 Dec 202100:00
cnnvd
CNVD
Natural Language Toolkit Resource Management Error Vulnerability
27 Dec 202100:00
cnvd
Cvelist
CVE-2021-43854 Inefficient Regular Expression Complexity in nltk
23 Dec 202117:55
cvelist
Debian CVE
CVE-2021-43854
23 Dec 202117:55
debiancve
EUVD
EUVD-2021-0148
7 Oct 202500:30
euvd
Github Security Blog
Inefficient Regular Expression Complexity in nltk (word_tokenize, sent_tokenize)
6 Jan 202217:38
github
NVD
CVE-2021-43854
23 Dec 202118:15
nvd
OpenVAS
Ubuntu: Security Advisory (USN-7365-1)
24 Mar 202500:00
openvas
OSV
DEBIAN-CVE-2021-43854
23 Dec 202118:15
osv
Rows per page
NVD
Vulners
Node
nltknltkRange<3.6.5
[
  {
    "product": "nltk",
    "vendor": "nltk",
    "versions": [
      {
        "status": "affected",
        "version": "< 3.6.5"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation