What is CVE-2021-30199?

CVE-2021-30199 is a medium-severity vulnerability in Gpac, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2021-04-19.

How severe is CVE-2021-30199?

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

NULL pointer dereference in Gpac

CVE-2021-30199

In filters/reframe_latm.c in GPAC 1.0.1 there is a Null Pointer Dereference, when gf_filter_pck_get_data is called. The first arg pck may be null with a crafted mp4 file,which results in a crash.

Published 2021-04-19 · 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: 0.009 (57.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Gpac — versions 1.0.1

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/gpac/gpac/issues/1728 (Exploit, Third Party Advisory)
github.com/gpac/gpac/commit/b2db2f99b4c30f96e17b9a14537c776da6cb5dca (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-30199?: CVE-2021-30199 is a medium-severity vulnerability in Gpac, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2021-04-19.
How severe is CVE-2021-30199?: Medium severity. CVSS v3 base score is 5.5 out of 10.