CWE
476
Advisory Published
Updated

CVE-2021-45831: Null Pointer Dereference

First published: Wed Jan 05 2022(Updated: )

A Null Pointer Dereference vulnerability exitgs in GPAC 1.0.1 in MP4Box via __strlen_avx2, which causes a Denial of Service.

Credit: cve@mitre.org 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=1.0.1

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Frequently Asked Questions

  • What is the severity of CVE-2021-45831?

    CVE-2021-45831 is classified as a Denial of Service vulnerability.

  • How do I fix CVE-2021-45831?

    To mitigate CVE-2021-45831, upgrade GPAC to version 1.0.1+dfsg1-4+deb11u3 or 2.2.1+dfsg1-3.

  • Which versions of GPAC are affected by CVE-2021-45831?

    GPAC version 1.0.1 and earlier versions up to 0.5.2-426-gc5ad4e4+dfsg5 are affected by CVE-2021-45831.

  • What causes the vulnerability in CVE-2021-45831?

    CVE-2021-45831 is caused by a Null Pointer Dereference in the MP4Box component of GPAC.

  • What impact does CVE-2021-45831 have on systems?

    CVE-2021-45831 may lead to a Denial of Service, causing the affected application to crash.

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