What is CVE-2019-20632?

CVE-2019-20632 is a medium-severity vulnerability in Gpac, classified under Release of Invalid Pointer or Reference. CVSS score: 5.5/10. Published 2020-03-24.

How severe is CVE-2019-20632?

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

Vulnerability in Gpac

CVE-2019-20632

An issue was discovered in libgpac.a in GPAC before 0.8.0, as demonstrated by MP4Box. It contains an invalid pointer dereference in gf_odf_delete_descriptor in odf/desc_private.c that can cause a denial of service via a crafted MP4 file.

Published 2020-03-24 · 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 (57.2th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.2% 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

Weakness classification (CWE)

CWE-763 — Release of Invalid Pointer or Reference

References

github.com/gpac/gpac/issues/1271 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-20632?: CVE-2019-20632 is a medium-severity vulnerability in Gpac, classified under Release of Invalid Pointer or Reference. CVSS score: 5.5/10. Published 2020-03-24.
How severe is CVE-2019-20632?: Medium severity. CVSS v3 base score is 5.5 out of 10.