CWE
476
Advisory Published
Updated

CVE-2017-18247: Null Pointer Dereference

First published: Fri Mar 23 2018(Updated: )

The av_audio_fifo_size function in libavutil/audio_fifo.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted media file.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
libavutil=12.2

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Frequently Asked Questions

  • What is the severity of CVE-2017-18247?

    CVE-2017-18247 is classified as a high severity vulnerability due to the potential for denial of service.

  • How does CVE-2017-18247 affect Libav version 12.2?

    CVE-2017-18247 allows remote attackers to exploit a NULL pointer dereference in Libav version 12.2.

  • What type of attack is associated with CVE-2017-18247?

    CVE-2017-18247 is associated with a denial of service attack via crafted media files.

  • How do I fix CVE-2017-18247?

    To fix CVE-2017-18247, upgrade Libav to a version newer than 12.2 that addresses this vulnerability.

  • What component of Libav is affected by CVE-2017-18247?

    CVE-2017-18247 affects the av_audio_fifo_size function in libavutil/audio_fifo.c.

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