What is CVE-2020-35981?

CVE-2020-35981 is a high-severity vulnerability in Gpac, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2021-04-21.

How severe is CVE-2020-35981?

High severity. CVSS v3 base score is 7.8 out of 10.

NULL pointer dereference in Gpac

CVE-2020-35981

An issue was discovered in GPAC version 0.8.0 and 1.0.1. There is an invalid pointer dereference in the function SetupWriters() in isomedia/isom_store.c.

Published 2021-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Gpac — versions 0.8.0, 1.0.1

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/gpac/gpac/issues/1659 (Exploit, Third Party Advisory)
github.com/gpac/gpac/commit/dae9900580a8888969481cd72035408091edb11b (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-35981?: CVE-2020-35981 is a high-severity vulnerability in Gpac, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2021-04-21.
How severe is CVE-2020-35981?: High severity. CVSS v3 base score is 7.8 out of 10.