CVE-2025-55651

Summary

A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/4/4_poc.mp4

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/06/13/18

References

• https://infosec.exchange/@sigdevel/116710512103919834

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