What is CVE-2023-46001?

CVE-2023-46001 is a medium-severity vulnerability in Gpac, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-11-07.

How severe is CVE-2023-46001?

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

Buffer overflow in Gpac

CVE-2023-46001

Buffer Overflow vulnerability in gpac MP4Box v.2.3-DEV-rev573-g201320819-master allows a local attacker to cause a denial of service via the gpac/src/isomedia/isom_read.c:2807:51 function in gf_isom_get_user_data.

Vulnerability class: Buffer Overflow

Published 2023-11-07 · 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: 0.003 (21.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Gpac — versions 2.3-dev-rev573-g201320819-master

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/gpac/gpac/issues/2629 (Exploit, Patch, Issue Tracking)
github.com/gpac/gpac/commit/e79b0cf7e72404750630bc01340e999f3940dbc4 (Patch)

Frequently asked questions

What is CVE-2023-46001?: CVE-2023-46001 is a medium-severity vulnerability in Gpac, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-11-07.
How severe is CVE-2023-46001?: Medium severity. CVSS v3 base score is 5.5 out of 10.