What is CVE-2018-20762?

CVE-2018-20762 is a high-severity vulnerability in Gpac Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2019-02-06.

How severe is CVE-2018-20762?

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

Buffer overflow in Gpac Project

CVE-2018-20762

GPAC version 0.7.1 and earlier has a buffer overflow vulnerability in the cat_multiple_files function in applications/mp4box/fileimport.c when MP4Box is used for a local directory containing crafted filenames.

Vulnerability class: Buffer Overflow

Published 2019-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Gpac Project
Canonical Ubuntu Linux — versions 16.04, 18.04, 18.10
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

github.com/gpac/gpac/commit/35ab4475a7df9b2a4bcab235e379c0c3ec543658 (Patch, Third Party Advisory)
lists.debian.org/debian-lts-announce/2019/02/msg00040.html (mailing-list, Mailing List, Third Party Advisory)
github.com/gpac/gpac/issues/1187 (Exploit, Third Party Advisory)
usn.ubuntu.com/3926-1/ (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20762?: CVE-2018-20762 is a high-severity vulnerability in Gpac Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2019-02-06.
How severe is CVE-2018-20762?: High severity. CVSS v3 base score is 7.8 out of 10.