7.8
CWE
787 119
Advisory Published
Updated

CVE-2021-42199: Buffer Overflow

First published: Tue May 31 2022(Updated: )

An issue was discovered in swftools through 20201222. A heap buffer overflow exists in the function swf_FontExtract_DefineTextCallback() located in swftext.c. It allows an attacker to cause code execution.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
SWFTools<=2020-12-22

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Frequently Asked Questions

  • What is the severity of CVE-2021-42199?

    CVE-2021-42199 is classified as a high severity vulnerability due to the potential for code execution.

  • How do I fix CVE-2021-42199?

    To fix CVE-2021-42199, upgrade SWFTools to a version later than 2020-12-22.

  • What type of vulnerability is CVE-2021-42199?

    CVE-2021-42199 is a heap buffer overflow vulnerability.

  • Which versions of SWFTools are affected by CVE-2021-42199?

    SWFTools versions up to and including 2020-12-22 are affected by CVE-2021-42199.

  • What is the impact of exploiting CVE-2021-42199?

    Exploiting CVE-2021-42199 can allow an attacker to execute arbitrary code on the affected system.

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