# CVE-2021-40574: gpac: The binary MP4Box in Gpac from 0.9.0-preview to 1.0.1 has a double-free vulnerability in the gf_text_get_utf8_line fu...

CVE-2021-40574 is fixed in gpac on 1 platform by DEBIAN-CVE-2021-40574 (version 1.0.1+dfsg1-4+deb11u2), released January 13, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-40574
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0142
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 13, 2022

## Description

The binary MP4Box in Gpac from 0.9.0-preview to 1.0.1 has a double-free vulnerability in the gf_text_get_utf8_line function in load_text.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gpac Debian 11.6 (bullseye) | 1.0.1+dfsg1-4+deb11u2 | [DEBIAN-CVE-2021-40574](https://patchblox.com/security/data/fix/linux/debian-cve-2021-40574.md) | Jan 13, 2022 |

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Data as of 2026-11-08T06:59:42Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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