# DLA-4384-1: samba security update

DLA-4384-1, released November 26, 2025, fixes 1 CVE in samba (version 2:4.13.13+dfsg-1~deb11u7). None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dla-4384-1
- Platform: Linux
- Released: Nov 26, 2025
- Priority: Routine (Closes CVE-2025-9640)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2025-9640

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [samba](https://patchblox.com/security/data/product/linux/samba.md) | Debian 11.6 (bullseye) | 2:4.13.13+dfsg-1~deb11u7 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-9640](https://patchblox.com/security/data/cve/CVE-2025-9640.md) | Routine | libsmbclient: A flaw was found in Samba, in the vfs_streams_xattr module, where uninitialized heap memory could be written into alt... | 4.3 | 0.0047 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo