Buffer overflow in Gpac
CVE-2025-55660
A stack overflow in the gf_opus_read_length function (media_tools/av_parsers.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (15.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- infosec.exchange/@sigdevel/116733892068649310 (Exploit, Patch, Third Party Advisory, Mitigation)
- af854a3a-2127-422b-91ae-364da2661108 (Exploit, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-55660?
- CVE-2025-55660 is a medium-severity vulnerability in Gpac, classified under Stack-based Buffer Overflow. CVSS score: 5.5/10. Published 2026-06-15.
- How severe is CVE-2025-55660?
- Medium severity. CVSS v3 base score is 5.5 out of 10.