CVE-2023-40745: Fedoraproject Fedora

Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days.

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.

Affected products

• Fedoraproject Fedora: affected versions not specified
• Libtiff Libtiff: before 4.6.0 (fixed in 4.6.0)
• Netapp Active Iq Unified Manager: affected versions not specified
• Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2023-10-05. Last modified 2026-06-17.