CWE
476
Advisory Published
Updated

CVE-2021-39592: 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 pool_lookup_uint() located in pool.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-2021-39592?

    CVE-2021-39592 has been classified as a Denial of Service vulnerability.

  • How does CVE-2021-39592 affect swftools?

    CVE-2021-39592 can lead to a denial of service through a NULL pointer dereference in the pool_lookup_uint() function.

  • What versions of swftools are affected by CVE-2021-39592?

    CVE-2021-39592 affects swftools versions up to and including 2020-07-10.

  • How do I fix CVE-2021-39592?

    To fix CVE-2021-39592, upgrade to a version of swftools released after 2020-07-10.

  • Is CVE-2021-39592 exploitable remotely?

    CVE-2021-39592 can potentially be exploited remotely, allowing attackers to cause a denial of service.

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