CWE
476
Advisory Published
Updated

CVE-2021-40944: Null Pointer Dereference

First published: Tue Jun 28 2022(Updated: )

In GPAC MP4Box 1.1.0, there is a Null pointer reference in the function gf_filter_pid_get_packet function in src/filter_core/filter_pid.c:5394, as demonstrated by GPAC. This can cause a denial of service (DOS).

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/gpac<=0.5.2-426-gc5ad4e4+dfsg5-5
1.0.1+dfsg1-4+deb11u3
2.2.1+dfsg1-3
GPAC MP4Box=1.1.0

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Frequently Asked Questions

  • What is the severity of CVE-2021-40944?

    CVE-2021-40944 is classified as a denial of service vulnerability because it can cause application crashes.

  • How do I fix CVE-2021-40944?

    To address CVE-2021-40944, users should upgrade to GPAC version 1.1.0 or later.

  • Which software is affected by CVE-2021-40944?

    CVE-2021-40944 specifically affects GPAC version 1.1.0.

  • What causes CVE-2021-40944?

    CVE-2021-40944 is triggered by a null pointer reference in the gf_filter_pid_get_packet function.

  • Can CVE-2021-40944 be exploited remotely?

    Yes, CVE-2021-40944 can be exploited remotely, potentially leading to service disruption.

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