What is CVE-2023-46871?

CVE-2023-46871 is a medium-severity vulnerability in Gpac, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.3/10. Published 2023-12-07.

How severe is CVE-2023-46871?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Gpac

CVE-2023-46871

GPAC version 2.3-DEV-rev602-ged8424300-master in MP4Box contains a memory leak in NewSFDouble scenegraph/vrml_tools.c:300. This vulnerability may lead to a denial of service.

Published 2023-12-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.007 (50.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Gpac

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

github.com/gpac/gpac/issues/2658 (Exploit, Patch, Third Party Advisory, Issue Tracking)
gist.github.com/ReturnHere/d0899bb03b8f5e8fae118f2b76888486 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-46871?: CVE-2023-46871 is a medium-severity vulnerability in Gpac, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.3/10. Published 2023-12-07.
How severe is CVE-2023-46871?: Medium severity. CVSS v3 base score is 5.3 out of 10.