CVE-2021-21859
8.8
HIGH
CVSS 3.1
EPSS 0.61%
Description
An exploitable integer truncation vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. The stri_box_read function is used when processing atoms using the 'stri' FOURCC code. An attacker can convince a user to open a video to trigger this vulnerability.
How to fix CVE-2021-21859
To remediate CVE-2021-21859, upgrade the affected package to a fixed version below.
- Debian/gpac—upgrade to 1.0.1+dfsg1-4+deb11u1 or later
Is CVE-2021-21859 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.0.1+dfsg1-4+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |