CVE-2025-9900 — Write-what-where Condition in Tiff
Severity
8.8HIGHNVD
OSV4.8
EPSS
0.0%
top 89.34%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 23
Latest updateJan 15
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…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9