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  5. CVE-2021-3517

CVE-2021-3517: Improper Restriction of Operations within the Bounds of a Memory Buffer

May 19, 2021 (updated November 9, 2023)

There is a flaw in the xml entity encoding functionality of libxml2. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.

References

  • bugzilla.redhat.com/show_bug.cgi?id=1954232
  • nvd.nist.gov/vuln/detail/CVE-2021-3517

Code Behaviors & Features

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Affected versions

All versions before 1.14.4

Fixed versions

  • 1.11.4

Solution

Upgrade to version 1.14.4 or above.

Impact 8.6 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Learn more about CVSS

Weakness

  • CWE-787: Out-of-bounds Write

Source file

gem/nokogiri/CVE-2021-3517.yml

Spotted a mistake? Edit the file on GitLab.

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