# DLA-4065-1: krb5 security update

DLA-4065-1, released February 23, 2025, fixes 1 CVE in krb5 (version 1.18.3-6+deb11u6). 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-4065-1
- Platform: Linux
- Released: Feb 23, 2025
- Priority: High (Closes CVE-2025-24528, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2025-24528

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [krb5](https://patchblox.com/security/data/product/linux/krb5.md) | Debian 11.6 (bullseye) | 1.18.3-6+deb11u6 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-24528](https://patchblox.com/security/data/cve/CVE-2025-24528.md) | High | In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a large update size to resize() in kdb_log.c. An authenticated attacker can cause an out-of-bounds write and kadmind daemon crash. | 7.1 | 0.0051 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo