An issue was discovered in MP4Box in GPAC 0.7.1.

published 2018-06-29 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4955

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.5%; EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

An issue was discovered in MP4Box in GPAC 0.7.1. The function urn_Read in isomedia/box_code_base.c has a heap-based buffer over-read.

Patch / fix

distros 2

debian ubuntu

gpac Debian 11 0.5.2-426-gc5ad4e4+dfsg5-4.1

debian advisories DEBIAN-CVE-2018-13005

gpac Ubuntu 16.04 LTS 0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1
gpac Ubuntu 18.04 LTS 0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1
gpac Ubuntu Pro 14.04 LTS 0.5.0+svn4288~dfsg1-4ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2018-13005

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

2.50% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/gpac/gpac/issues/1088 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-125 Out-of-bounds Read

References

github.com /gpac/gpac/issues/1088
exploit, third-party-advisory
usn.ubuntu.com /3926-1/
vendor-advisory, third-party-advisory
lists.debian.org /debian-lts-announce/2018/07/msg00024.html
mailing-list, third-party-advisory

Sources

CVE List CVE-2018-13005
NVD CVE-2018-13005

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary