# DLA-4173-1: openjdk-17 security update

DLA-4173-1, released May 20, 2025, fixes 1 CVE in openjdk-17 (version 17.0.15+6-1~deb11u1). 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-4173-1
- Platform: Linux
- Released: May 20, 2025
- Priority: High (Closes CVE-2025-21587, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2025-21587

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [openjdk-17](https://patchblox.com/security/data/product/linux/openjdk-17.md) | Debian 11.6 (bullseye) | 17.0.15+6-1~deb11u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-21587](https://patchblox.com/security/data/cve/CVE-2025-21587.md) | High | Java(TM) SE Development Kit 21 and 1 other: Improper Access Control | 7.4 | 0.0083 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo