What is CVE-2025-70299?

CVE-2025-70299 is a medium-severity vulnerability in Gpac, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-01-15.

How severe is CVE-2025-70299?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Gpac

CVE-2025-70299

A heap overflow in the avi_parse_input_file() function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted AVI file.

Vulnerability class: Buffer Overflow

Published 2026-01-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (26.5th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.5% 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: 0.004 · change: +0.000

Affected products

Gpac — versions 2.4.0

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

github.com/zakkanijia/POC/blob/main/gpac_avi/GPAC_AVI_indx_heap_overflow.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-70299?: CVE-2025-70299 is a medium-severity vulnerability in Gpac, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-01-15.
How severe is CVE-2025-70299?: Medium severity. CVSS v3 base score is 6.5 out of 10.