VulnerabilityAnalyzed
CVE-2025-55639
This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.
MEDIUM 6.5EPSS 0.51%
Does this matter?
Lower severity and a low EPSS score (0.51%). Track it; it rarely justifies an emergency change on its own.
Description
GPAC MP4Box v2.4 was discovered to contain a NULL pointer dereference in the gf_isom_add_track_kind() function at isomedia/isom_write.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.51% probability · 42th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- gpac/gpac
- Source
- cve@mitre.org
References
- https://github.com/gpac/gpac/commit/027ce139dda498ee95df36db9f9f6f3cadce8ec9Patch
- https://github.com/gpac/gpac/issues/3260Exploit, Issue Tracking
- https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/23/23_poc.mp4Exploit
- https://infosec.exchange/@sigdevel/116769184815236865Exploit, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/06/26/2Exploit, Mailing List, Third Party Advisory
- https://github.com/gpac/gpac/issues/3260Exploit, Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.