CVE catalog
CVE-2021-21856
UBUNTU-CVE-2021-21856
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.40% · Oct 25, 2026
Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an integer overflow due to unchecked addition arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | gpac | pro | 0.5.0+svn4288~dfsg1-1ubuntu1 | vulnerable |
| Ubuntu | gpac | pro | 0.5.0+svn4288~dfsg1-4 | vulnerable |
| Ubuntu | gpac | pro | 0.5.0+svn4288~dfsg1-4ubuntu1 | vulnerable |
| Ubuntu | gpac | pro | 0.5.0+svn4288~dfsg1-4ubuntu1+esm1 | vulnerable |
| Ubuntu | gpac | pro | 0.5.0+svn4288~dfsg1-4ubuntu1+esm2 | vulnerable |
| Ubuntu | gpac | pro | 0.5.2-426-gc5ad4e4+dfsg5-1build1 | vulnerable |
| Ubuntu | gpac | pro | 0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1 | vulnerable |
| Ubuntu | gpac | pro | 0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2 | vulnerable |
| Ubuntu | gpac | pro | 0.5.2-426-gc5ad4e4+dfsg5-3 | vulnerable |
| Ubuntu | gpac | pro | 0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1 | vulnerable |
| Ubuntu | gpac | pro | 0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1 | vulnerable |
| Ubuntu | gpac | pro | 0.5.2-426-gc5ad4e4+dfsg5-4ubuntu1 | vulnerable |
| Ubuntu | gpac | pro | 0.5.2-426-gc5ad4e4+dfsg5-5 | vulnerable |
| Ubuntu | gpac | pro | 0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2 | vulnerable |
| Ubuntu | gpac | pro | 1.0.1+dfsg1-4 | vulnerable |
| Ubuntu | gpac | pro | 1.0.1+dfsg1-5 | vulnerable |
| Ubuntu | gpac | pro | 2.0.0+dfsg1-2 | vulnerable |
| Ubuntu | gpac | pro | 2.0.0+dfsg1-2ubuntu0.1~esm2 | vulnerable |
| Ubuntu | gpac | pro | 2.2.1+dfsg1-3 | vulnerable |
| Ubuntu | gpac | pro | 2.2.1+dfsg1-3.1 | vulnerable |
| Ubuntu | gpac | pro | 2.2.1+dfsg1-3.1build1 | vulnerable |
| Ubuntu | gpac | pro | 2.2.1+dfsg1-3.1build2 | vulnerable |
| Ubuntu | gpac | pro | 2.2.1+dfsg1-3.1ubuntu0.1~esm2 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: