# DSA-5531-1: roundcube security update

DSA-5531-1, released October 23, 2023, fixes 1 CVE in roundcube. One of them is being exploited (CVE-2023-5631); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/dsa-5531-1
- Platform: Linux
- Released: Oct 23, 2023
- Priority: Patch now (Closes CVE-2023-5631, exploited (CISA KEV))
- CVEs: 1, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-5631

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [roundcube](https://patchblox.com/security/data/product/linux/roundcube.md) | Debian 11.6 (bullseye) | 1.4.15+dfsg.1-1~deb11u1 |
| [roundcube](https://patchblox.com/security/data/product/linux/roundcube.md) | Debian 12.15 (bookworm) | 1.6.4+dfsg-1~deb12u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-5631](https://patchblox.com/security/data/cve/CVE-2023-5631.md) | Patch now | roundcube: roundcube - security update | 5.4 | 0.7634 | CISA KEV |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo