Buffer overflow in Gpac

CVE-2025-70309

A stack overflow in the pcmreframe_flush_packet function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted WAV 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: 0.002 (5.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-70309: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • Gpac — versions 2.4.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-70309?
CVE-2025-70309 is a medium-severity vulnerability in Gpac, classified under Stack-based Buffer Overflow. CVSS score: 5.5/10. Published 2026-01-15.
How severe is CVE-2025-70309?
Medium severity. CVSS v3 base score is 5.5 out of 10.