CVE-2018-7536 (GCVE-0-2018-7536)

Vulnerability from cvelistv5 – Published: 2018-03-09 00:00 – Updated: 2024-08-05 06:31
VLAI
Summary
An issue was discovered in Django 2.0 before 2.0.3, 1.11 before 1.11.11, and 1.8 before 1.8.19. The django.utils.html.urlize() function was extremely slow to evaluate certain inputs due to catastrophic backtracking vulnerabilities in two regular expressions (only one regular expression for Django 1.8.x). The urlize() function is used to implement the urlize and urlizetrunc template filters, which were thus vulnerable.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • n/a
Assigner
References
Date Public
2018-03-06 00:00
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T06:18:01+00:00",
      "cve": "CVE-2018-7536",
      "id": "CVE-2018-7536",
      "initial_release_date": "2018-03-06T00:00:00+00:00",
      "product_status:fixed": "1156",
      "product_status:known_affected": "35",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "django: Catastrophic backtracking in regular expressions via \u0027urlize\u0027 and \u0027urlizetrunc\u0027",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-7536.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-19T18:29:04Z",
      "cve": "CVE-2018-7536",
      "id": "CVE-2018-7536",
      "initial_release_date": "2023-02-15T04:29:38Z",
      "product_status:recommended": "23",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-7536",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-7536.json",
      "version": "13"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.