# DEBIAN-CVE-2021-40606: gpac security update

DEBIAN-CVE-2021-40606, released June 28, 2022, fixes 1 CVE in gpac (version 1.0.1+dfsg1-4+deb11u2). None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/debian-cve-2021-40606
- Platform: Linux
- Released: Jun 28, 2022
- Priority: Routine (Closes CVE-2021-40606)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2021-40606

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [gpac](https://patchblox.com/security/data/product/linux/gpac.md) | Debian 11.6 (bullseye) | 1.0.1+dfsg1-4+deb11u2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-40606](https://patchblox.com/security/data/cve/CVE-2021-40606.md) | Routine | gpac: The gf_bs_write_data function in GPAC 1.0.1 allows attackers to cause a denial of service via a crafted file in the M... | 5.5 | 0.0065 |  |

---

Data as of 2026-11-09T19:38:12Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
