8.8
CWE
119
Advisory Published
Updated

CVE-2018-5766: Buffer Overflow

First published: Thu Jan 18 2018(Updated: )

In Libav through 12.2, there is an invalid memcpy in the av_packet_ref function of libavcodec/avpacket.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted avi 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-2018-5766?

    CVE-2018-5766 is classified with a severity level that could lead to denial of service through a segmentation fault.

  • How do I fix CVE-2018-5766?

    To fix CVE-2018-5766, update to a version of Libav that is higher than 12.2.

  • What types of attacks can occur due to CVE-2018-5766?

    CVE-2018-5766 allows remote attackers to execute denial of service attacks by using crafted AVI files.

  • Which software is affected by CVE-2018-5766?

    CVE-2018-5766 affects Libav versions up to and including 12.2.

  • In which function does CVE-2018-5766 occur?

    CVE-2018-5766 occurs in the av_packet_ref function located in libavcodec/avpacket.c.

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