CVE-2025-55649
Medium
Description
A NULL pointer dereference in the gf_media_map_esd function (media_tools/isom_tools.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
SeverityMedium
CVSS5.5
Exploit probability—
ProductGpac
PublishedJun 15, 2026
First seenJun 15, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- gpac gpac26.02.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gpac gpac | v < 26.02.0 | 26.02.0 |
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