What is CVE-2024-0321?

CVE-2024-0321 is a critical-severity vulnerability in Gpac, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2024-01-08.

How severe is CVE-2024-0321?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2024-0321 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Gpac

CVE-2024-0321

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

Vulnerability class: Buffer Overflow

Published 2024-01-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Gpac
Gpac Gpac/gpac — versions unspecified

Weakness classification (CWE)

Public proof-of-concept exploits

References

huntr.com/bounties/4c027b94-8e9c-4c31-a169-893b25047769 (Exploit, Third Party Advisory)
github.com/gpac/gpac/commit/d0ced41651b279bb054eb6390751e2d4eb84819a (Patch)

Frequently asked questions

What is CVE-2024-0321?: CVE-2024-0321 is a critical-severity vulnerability in Gpac, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2024-01-08.
How severe is CVE-2024-0321?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-0321 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.