Description
A flaw was found in Libtiff. This vulnerability is a "write-what-where" condition, triggered when the library processes a specially crafted TIFF image file.
By providing an abnormally large image height value in the file's metadata, an attacker can trick the library into writing attacker-controlled color data to an arbitrary memory location. This memory corruption can be exploited to cause a denial of service (application crash) or to achieve arbitrary code execution with the permissions of the user.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| — | — | < 4.7.1 |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | — |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | — |
| Red Hat | Red Hat AI Inference Server 3.2 | — |
| Red Hat | Red Hat AI Inference Server 3.2 | — |
| Red Hat | Red Hat AI Inference Server 3.2 | — |
| Red Hat | Red Hat AI Inference Server 3.2 | — |
| Red Hat | Red Hat AI Inference Server 3.2 | — |
| Red Hat | Red Hat Discovery 2 | — |
| Red Hat | Red Hat Hardened Images | — |
| Red Hat | Red Hat Enterprise Linux 6 | — |
References
- https://access.redhat.com/errata/RHSA-2025:17651
- https://access.redhat.com/errata/RHSA-2025:17675
- https://access.redhat.com/errata/RHSA-2025:17710
- https://access.redhat.com/errata/RHSA-2025:17738
- https://access.redhat.com/errata/RHSA-2025:17739
- https://access.redhat.com/errata/RHSA-2025:17740
- https://access.redhat.com/errata/RHSA-2025:19113
- https://access.redhat.com/errata/RHSA-2025:19156
- https://access.redhat.com/errata/RHSA-2025:19276
- https://access.redhat.com/errata/RHSA-2025:19906
- https://access.redhat.com/errata/RHSA-2025:19947
- https://access.redhat.com/errata/RHSA-2025:20956
- https://access.redhat.com/errata/RHSA-2025:20998
- https://access.redhat.com/errata/RHSA-2025:21060
- https://access.redhat.com/errata/RHSA-2025:21061
- https://access.redhat.com/errata/RHSA-2025:21062
- https://access.redhat.com/errata/RHSA-2025:21407
- https://access.redhat.com/errata/RHSA-2025:21506
- https://access.redhat.com/errata/RHSA-2025:21507
- https://access.redhat.com/errata/RHSA-2025:21508
- https://access.redhat.com/errata/RHSA-2025:21994
- https://access.redhat.com/errata/RHSA-2025:23078
- https://access.redhat.com/errata/RHSA-2025:23079
- https://access.redhat.com/errata/RHSA-2025:23080
- https://access.redhat.com/errata/RHSA-2026:0001
- https://access.redhat.com/errata/RHSA-2026:0076
- https://access.redhat.com/errata/RHSA-2026:0077
- https://access.redhat.com/errata/RHSA-2026:0078
- https://access.redhat.com/errata/RHSA-2026:3461
- https://access.redhat.com/errata/RHSA-2026:3462
- https://access.redhat.com/errata/RHSA-2026:7504
- https://access.redhat.com/security/cve/CVE-2025-9900
- https://bugzilla.redhat.com/show_bug.cgi?id=2392784
- https://github.com/SexyShoelessGodofWar/LibTiff-4.7.0-Write-What-Where?tab=readme-ov-file
- https://gitlab.com/libtiff/libtiff/-/issues/704
- https://gitlab.com/libtiff/libtiff/-/merge_requests/732
- https://libtiff.gitlab.io/libtiff/releases/v4.7.1.html
- http://www.openwall.com/lists/oss-security/2025/09/26/3
- https://lists.debian.org/debian-lts-announce/2025/09/msg00031.html
- https://github.com/SexyShoelessGodofWar/LibTiff-4.7.0-Write-What-Where?tab=readme-ov-file
Timeline
- Published
- Sep 23, 2025
- Last modified
- Nov 4, 2026
- NVD status
- Deferred