# DSA-5951-1: icu security update

DSA-5951-1, released June 26, 2025, fixes 1 CVE in icu (version 72.1-3+deb12u1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/dsa-5951-1
- Platform: Linux
- Released: Jun 26, 2025
- Priority: High (Closes CVE-2025-5222, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2025-5222

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [icu](https://patchblox.com/security/data/product/linux/icu.md) | Debian 12.15 (bookworm) | 72.1-3+deb12u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-5222](https://patchblox.com/security/data/cve/CVE-2025-5222.md) | High | Icu: stack buffer overflow in the srbroot::addtag function | 7.0 | 0.0044 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo