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 L L N R U N N H 5.5 .0026 17.3 —
AFFECTED Product Versions Fixed n/a n/a – —
TIMELINE Aug 13 Reserved by mitre Jun 15 EXPLOIT PUBLISHED — CVE-2025-55661. Public exploit reference added. Jun 15 Published (CNA: mitre)
A heap buffer overflow in the Opus audio stream parser component of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
| Date | Event | Detail |
|---|---|---|
| August 13, 2025 | Reserved | Reserved by mitre |
| June 15, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2025-55661. Public exploit reference added. |
| June 15, 2026 | Published | Published (CNA: mitre) |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| n/a | n/a | — | n/a | — |
Authoritative record: CVE-2025-55661 at cve.org
Weaknesses: CWE-122
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-55661 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.