Medium severity · published Aug 14, 2019
CVE-2019-14973
_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…
6.5
CVSS
4.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
FE
Fedora · Fedoraproject
30; 31 · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
LI
Libtiff · Libtiff
through 4.0.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-14973
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-14973
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00023.html
Third Party Advisory
http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.html
Patch
https://gitlab.com/libtiff/libtiff/merge_requests/90
Mailing List
https://lists.debian.org/debian-lts-announce/2019/08/msg00031.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/63BVT6N5KQPHWOWM4B3I7Z3ODBXUVNPS/
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder