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  5. CVE-2021-43519

CVE-2021-43519: Out-of-bounds Write

November 9, 2021 (updated November 7, 2023)

Stack overflow in lua_resume of ldo.c in Lua Interpreter allows attackers to perform a Denial of Service via a crafted script file.

References

  • lua-users.org/lists/lua-l/2021-10/msg00123.html
  • lua-users.org/lists/lua-l/2021-11/msg00015.html
  • nvd.nist.gov/vuln/detail/CVE-2021-43519

Code Behaviors & Features

Detect and mitigate CVE-2021-43519 with GitLab Dependency Scanning

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Affected versions

All versions starting from 5.1.0 before 5.3.5, all versions starting from 5.4.0 before 5.4.4

Fixed versions

  • 5.3.5
  • 5.4.4

Solution

Upgrade to versions 5.3.5, 5.4.4 or above.

Impact 5.5 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-674: Uncontrolled Recursion

Source file

conan/lua/CVE-2021-43519.yml

Spotted a mistake? Edit the file on GitLab.

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