Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N R U N N H 6.5 .0038 31.6 —
AFFECTED Product Versions Fixed n/a n/a – —
TIMELINE Aug 13 Reserved by mitre Jun 23 EXPLOIT PUBLISHED — CVE-2025-55639. Public exploit reference added. Jun 23 Published (CNA: mitre)
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.
| Date | Event | Detail |
|---|---|---|
| August 13, 2025 | Reserved | Reserved by mitre |
| June 23, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2025-55639. Public exploit reference added. |
| June 23, 2026 | Published | Published (CNA: mitre) |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| n/a | n/a | — | n/a | — |
Authoritative record: CVE-2025-55639 at cve.org
Weaknesses: CWE-476
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-55639 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.