VulnerabilityModified
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.
MEDIUM 5.5EPSS 0.19%
Does this matter?
Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.19% probability · 9th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- gpac/gpac
- Source
- cve@mitre.org
References
- https://infosec.exchange/@sigdevel/116710512103919834Exploit, Mitigation, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/06/13/18
- https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/4/4_poc.mp4Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.