CVE-2019-14973: Debian Linux

Medium severity, CVSS 6.5. EPSS: 4.2% chance of exploitation in the next 30 days.

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only; version 10.0 only
• Fedoraproject Fedora: version 30 only; version 31 only
• Libtiff Libtiff: up to and including 4.0.10
• Opensuse Leap: version 15.1 only; version 15.2 only

Published 2019-08-14. Last modified 2026-06-17.