What is CVE-2023-4683?

CVE-2023-4683 is a medium-severity vulnerability in Gpac, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2023-08-31.

How severe is CVE-2023-4683?

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

Is CVE-2023-4683 known to be exploited?

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

NULL pointer dereference in Gpac

CVE-2023-4683

NULL Pointer Dereference in GitHub repository gpac/gpac prior to 2.3-DEV.

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 (22.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.1% 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-476 — NULL Pointer Dereference

Public proof-of-concept exploits

References

huntr.dev/bounties/7852e4d2-af4e-4421-a39e-db23e0549922 (Exploit, Third Party Advisory)
github.com/gpac/gpac/commit/112767e8b178fc82dec3cf82a1ca14d802cdb8ec (Patch)

Frequently asked questions

What is CVE-2023-4683?: CVE-2023-4683 is a medium-severity vulnerability in Gpac, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2023-08-31.
How severe is CVE-2023-4683?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-4683 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.