What is CVE-2020-19488?

CVE-2020-19488 is a medium-severity vulnerability in Gpac, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2021-07-21.

How severe is CVE-2020-19488?

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

NULL pointer dereference in Gpac

CVE-2020-19488

An issue was discovered in box_code_apple.c:119 in Gpac MP4Box 0.8.0, allows attackers to cause a Denial of Service due to an invalid read on function ilst_item_Read.

Published 2021-07-21 · 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: 0.008 (54.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Gpac — versions 0.8.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/gpac/gpac/issues/1263 (Exploit, Third Party Advisory)
github.com/gpac/gpac/commit/6170024568f4dda310e98ef7508477b425c58d09 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-19488?: CVE-2020-19488 is a medium-severity vulnerability in Gpac, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2021-07-21.
How severe is CVE-2020-19488?: Medium severity. CVSS v3 base score is 5.5 out of 10.