# CVE-2021-36412: gpac: A heap-based buffer overflow vulnerability exists in MP4Box in GPAC 1.0.1 via the gp_rtp_builder_do_mpeg12_video func...

CVE-2021-36412 is fixed in gpac on 1 platform by DEBIAN-CVE-2021-36412 (version 1.0.1+dfsg1-4+deb11u2), released January 10, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-36412
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0091
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 10, 2022

## Description

A heap-based buffer overflow vulnerability exists in MP4Box in GPAC 1.0.1 via the gp_rtp_builder_do_mpeg12_video function, which allows attackers to possibly have unspecified other impact via a crafted file in the MP4Box command,

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gpac Debian 11.6 (bullseye) | 1.0.1+dfsg1-4+deb11u2 | [DEBIAN-CVE-2021-36412](https://patchblox.com/security/data/fix/linux/debian-cve-2021-36412.md) | Jan 10, 2022 |

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Data as of 2026-11-09T13:31:49Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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