CVE-2025-9900
tiff - security update
8.8
HIGH
CVSS 3.1
EPSS 0.04%
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.
How to fix CVE-2025-9900
To remediate CVE-2025-9900, upgrade the affected package to a fixed version below.
- —upgrade to 4.2.0-1+deb11u7 or later
- —upgrade to 4.5.0-6+deb12u3 or later
Is CVE-2025-9900 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.2.0-1+deb11u7
- from 0, < 4.5.0-6+deb12u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |