What’s Vulnerable › Vulnerabilities

CVE-2019-14973

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-14 · updated 2026-06-17
• Weakness: CWE-190

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.

Affected products

• Debian Linux: 8.0, 9.0, 10.0
• Fedoraproject Fedora: 30, 31
• libtiff: through 4.0.10
• openSUSE Leap: 15.1, 15.2

References

• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.html
• http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00023.html
• http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.html
• https://gitlab.com/libtiff/libtiff/merge_requests/90
• https://lists.debian.org/debian-lts-announce/2019/08/msg00031.html
• 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/5
• https://seclists.org/bugtraq/2020/Jan/32
• https://www.debian.org/security/2020/dsa-4608
• https://www.debian.org/security/2020/dsa-4670
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.html

Get alerted when CVE-2019-14973 or the next vulnerability affects your stack