# CVE-2018-7456: tiff: This update for tiff fixes the following issues  Security issues:  - CVE-2025-8851: libtiff: LibTIFF Stack-based buff...

CVE-2018-7456 is fixed in 2 products on 1 platform, first by OPENSUSE-SU-2026:20995-1, released June 21, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-7456
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0299
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 21, 2026

## Description

This update for tiff fixes the following issues  Security issues:  - CVE-2025-8851: libtiff: LibTIFF Stack-based buffer overflow (bsc#1248278). - CVE-2026-4775: signed integer overflow in the `putcontig8bitYCbCr44tile` function (bsc#1260411).  Non security issue:  - QGIS can't export with GDAL- LERC codec, LERC library not found anywhere in the system (bsc#1257123).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | tiff opensuse-leap 16.0 | 4.7.1-160000.2.1 | [OPENSUSE-SU-2026:20995-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20995-1.md) | Jun 21, 2026 |
| Linux | tiff sles 16.0 | 4.7.1-160000.2.1 | [SUSE-SU-2026:22306-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22306-1.md) | Jun 21, 2026 |
| Linux | tiff-man opensuse-leap 16.0 | 4.7.1-160000.2.1 | [OPENSUSE-SU-2026:20995-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20995-1.md) | Jun 21, 2026 |

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Data as of 2026-11-10T13:56:55Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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