# DLA-3862-1: calibre security update

DLA-3862-1, released September 2, 2024, fixes 1 CVE in calibre (version 5.12.0+dfsg-1+deb11u3). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dla-3862-1
- Platform: Linux
- Released: Sep 2, 2024
- Priority: High (Closes CVE-2021-44686, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2021-44686

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [calibre](https://patchblox.com/security/data/product/linux/calibre.md) | Debian 11.6 (bullseye) | 5.12.0+dfsg-1+deb11u3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-44686](https://patchblox.com/security/data/cve/CVE-2021-44686.md) | High | calibre: calibre - security update | 7.5 | 0.0521 |  |

---

Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo