CVE-2025-55651

MEDIUMCVSS 5.5/10EPSS 0.19%

Last modified

CVE-2025-55651 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability
0.19%

9.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GpacGpac2.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2025-55651?
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.
How severe is CVE-2025-55651?
CVE-2025-55651 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2025-55651?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-55651?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST