# DLA-4026-1: tiff security update

DLA-4026-1, released January 20, 2025, fixes 1 CVE in tiff (version 4.2.0-1+deb11u6). 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-4026-1
- Platform: Linux
- Released: Jan 20, 2025
- Priority: Routine (Closes CVE-2023-25433)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-25433

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [tiff](https://patchblox.com/security/data/product/linux/tiff.md) | Debian 11.6 (bullseye) | 4.2.0-1+deb11u6 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-25433](https://patchblox.com/security/data/cve/CVE-2023-25433.md) | Routine | libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.  Security... | 5.5 | 0.0041 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo