What is CVE-2023-4682?

CVE-2023-4682 is a medium-severity vulnerability in Gpac, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2023-08-31.

How severe is CVE-2023-4682?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Gpac

CVE-2023-4682

Heap-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.3-DEV.

Vulnerability class: Buffer Overflow

Published 2023-08-31 · last modified 2026-06-17.

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 (22.6th percentile), scored 2026-10-06.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.6% 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

Gpac
Gpac Gpac/gpac — versions unspecified

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

huntr.dev/bounties/15232a74-e3b8-43f0-ae8a-4e89d56c474c (Exploit, Patch, Third Party Advisory)
github.com/gpac/gpac/commit/b1042c3eefca87c4bc32afb404ed6518d693e5be (Patch)

Frequently asked questions

What is CVE-2023-4682?: CVE-2023-4682 is a medium-severity vulnerability in Gpac, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2023-08-31.
How severe is CVE-2023-4682?: Medium severity. CVSS v3 base score is 5.5 out of 10.