CWE
476
Advisory Published
Updated

CVE-2018-13303: Null Pointer Dereference

First published: Thu Jul 05 2018(Updated: )

In FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in the avpriv_ac3_parse_header function in libavcodec/ac3_parser.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
FFmpeg=4.0.1

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Frequently Asked Questions

  • What is the severity of CVE-2018-13303?

    CVE-2018-13303 has a severity rating that indicates it can lead to a denial of service due to a NULL pointer dereference.

  • How do I fix CVE-2018-13303?

    To fix CVE-2018-13303, upgrade FFmpeg to version 4.0.2 or later where this vulnerability is patched.

  • What software versions are affected by CVE-2018-13303?

    CVE-2018-13303 specifically affects FFmpeg version 4.0.1.

  • What is the impact of CVE-2018-13303?

    The impact of CVE-2018-13303 is a potential denial of service when processing a crafted AVI file.

  • Where in the codebase is CVE-2018-13303 located?

    CVE-2018-13303 is located in the avpriv_ac3_parse_header function within libavcodec/ac3_parser.c.

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