CVE-2019-14973 Integer overflow in n/a
An integer overflow in LibTIFF's memory allocation checks can cause application crashes, requiring a patch to prevent denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-14973?
CVE-2019-14973 is a medium-severity vulnerability in Debian Debian Linux, published on 14 Aug 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
_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.
Weakness: CWE-190
Which versions are affected by CVE-2019-14973?
It affects 4 products.
Linux distribution packages (17)
libtiff Red Hat:enterprise_linux:8::appstream | All versions | 0:4.0.9-17.el8 |
libtiff-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:4.0.9-17.el8 |
libtiff-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:4.0.9-17.el8 |
libtiff-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:4.0.9-17.el8 |
libtiff-tools-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:4.0.9-17.el8 |
libtiff-debuginfo Red Hat:enterprise_linux:8::crb | All versions | 0:4.0.9-17.el8 |
libtiff-debugsource Red Hat:enterprise_linux:8::crb | All versions | 0:4.0.9-17.el8 |
libtiff-tools Red Hat:enterprise_linux:8::crb | All versions | 0:4.0.9-17.el8 |
libtiff-tools-debuginfo Red Hat:enterprise_linux:8::crb | All versions | 0:4.0.9-17.el8 |
tiff SUSE:Linux Enterprise Module for Basesystem 15 SP1 | All versions | 4.0.9-5.30.28 |
tiff SUSE:Linux Enterprise Module for Basesystem 15 SP2 | All versions | 4.0.9-5.30.28 |
tiff SUSE:Linux Enterprise Module for Desktop Applications 15 SP1 | All versions | 4.0.9-5.30.28 |
tiff SUSE:Linux Enterprise Module for Desktop Applications 15 SP2 | All versions | 4.0.9-5.30.28 |
tiff SUSE:Linux Enterprise Module for Package Hub 15 SP1 | All versions | 4.0.9-5.30.28 |
tiff SUSE:Linux Enterprise Module for Package Hub 15 SP2 | All versions | 4.0.9-5.30.28 |
tiff openSUSE:Leap 15.1 | All versions | 4.0.9-lp151.10.3.1 |
tiff openSUSE:Leap 15.2 | All versions | 4.0.9-lp152.11.3.1 |
Products include Debian Debian Linux, Fedoraproject Fedora, Libtiff Libtiff, Opensuse Leap.
How do I fix CVE-2019-14973?
Apply the vendor's patch.
Is CVE-2019-14973 being exploited?
There is no known exploitation of CVE-2019-14973 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2019-14973, DEBIAN-CVE-2019-14973, DLA-1897-1, GHSA-2586-jx35-m7r7, JLSEC-2025-253, RHSA-2020:1688 and 4 more.