CVE-2019-14973

Name: CVE-2019-14973
Creator: NVD / NIST
Published: 2019-08-14T06:15:10.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 4.20%

Last modified Jun 17, 2026

CVE-2019-14973 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. _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.. EPSS estimates a 4.20% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

4.20%

89.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Libtiff	Libtiff	<= 4.0.10
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0
Fedoraproject	Fedora	30
Fedoraproject	Fedora	31
Opensuse	Leap	15.1
Opensuse	Leap	15.2

References

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00023.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.htmlThird Party Advisory, VDB Entry
https://gitlab.com/libtiff/libtiff/merge_requests/90Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00031.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/63BVT6N5KQPHWOWM4B3I7Z3ODBXUVNPS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ADNPG7JJTRRK22GUVTAFH3GJ6WGKUZJB/
https://seclists.org/bugtraq/2019/Nov/5Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/32Mailing List, Third Party Advisory
https://www.debian.org/security/2020/dsa-4608Third Party Advisory
https://www.debian.org/security/2020/dsa-4670Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00023.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.htmlThird Party Advisory, VDB Entry
https://gitlab.com/libtiff/libtiff/merge_requests/90Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00031.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/63BVT6N5KQPHWOWM4B3I7Z3ODBXUVNPS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ADNPG7JJTRRK22GUVTAFH3GJ6WGKUZJB/
https://seclists.org/bugtraq/2019/Nov/5Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/32Mailing List, Third Party Advisory
https://www.debian.org/security/2020/dsa-4608Third Party Advisory
https://www.debian.org/security/2020/dsa-4670Third Party Advisory

Timeline

Published: Aug 14, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-14973?

How severe is CVE-2019-14973?

CVE-2019-14973 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 4.20% probability of exploitation in the next 30 days.

How do I fix CVE-2019-14973?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-14973?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST