CVE-2025-55651

5.5 mediumEPSS 0.2%

Medium (5.5) in gpac gpac. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2026-06-09
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

gpac:gpac

References

https://infosec.exchange/@sigdevel/116710512103919834
http://www.openwall.com/lists/oss-security/2026/06/13/18
https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/4/4_poc.mp4

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