https://seclists.org/oss-sec/2026/q2/915: CVE-2025-55660: Stack-based Buffer Overflow in GPAC/MP4Box via gf_opus_ad_length on crafted MP4 file with malformed Opus packet
Published Jun 13, 2026
·Updated
Affected Software
1 affected component
Gpac MP4Box<ff8249a407685d00ceb5f4d2a798b9cad195140e
Frequently Asked Questions
1
What is the severity of CVE-2025-55660?
The severity of CVE-2025-55660 is rated as medium with a CVSS score of 4.3.
2
How do I fix CVE-2025-55660?
To fix CVE-2025-55660, update GPAC (MP4Box) to the version after the fix commit ff8249a407685d00ceb5f4d2a798b9cad195140e.
3
What kind of vulnerability is CVE-2025-55660?
CVE-2025-55660 is a stack-based buffer overflow vulnerability that can be triggered by processing a crafted MP4 file with a malformed Opus packet.
4
What are the potential impacts of CVE-2025-55660?
The potential impact of CVE-2025-55660 includes application crashes and possible code execution due to the buffer overflow.
5
Which versions of GPAC (MP4Box) are affected by CVE-2025-55660?
GPAC (MP4Box) versions prior to the fix commit ff8249a407685d00ceb5f4d2a798b9cad195140e are affected by CVE-2025-55660.