CWE
476
Advisory Published
Updated

CVE-2021-39585: Null Pointer Dereference

First published: Mon Sep 20 2021(Updated: )

An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function traits_dump() located in abc.c. It allows an attacker to cause Denial of Service.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
SWFTools<=2020-07-10

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Frequently Asked Questions

  • What is the severity of CVE-2021-39585?

    CVE-2021-39585 has been classified as a high severity vulnerability due to its potential to cause Denial of Service.

  • How do I fix CVE-2021-39585?

    To fix CVE-2021-39585, upgrade to a version of SWFTools released after July 10, 2020.

  • What is the impact of exploiting CVE-2021-39585?

    Exploiting CVE-2021-39585 allows an attacker to cause a Denial of Service by triggering a NULL pointer dereference.

  • Which versions of SWFTools are affected by CVE-2021-39585?

    SWFTools versions up to and including 2020-07-10 are affected by CVE-2021-39585.

  • Is there a workaround for CVE-2021-39585?

    There is no known workaround for CVE-2021-39585, so updating to a patched version is recommended.

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