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 applicable C standards.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.20% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 90.5% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-08-14 05:15Z7 YR AGO
- Last updated
- 2024-08-05 00:34Z2 YR AGO
- Reserved
- 2019-08-12
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-190Integer Overflow or WraparoundBase
- Data version
- 5.1
- Document digest
- 6f5a779bd0b92d482b3d7c6837b9f5d7737d4a993a4adca56e7f480afc399c92
05 Affected products
06 References
- gitlab.comhttps://gitlab.com/libtiff/libtiff/merge_requests/90
- lists.debian.org[debian-lts-announce] 20190825 [SECURITY] [DLA 1897-1] tiff security updatehttps://lists.debian.org/debian-lts-announce/2019/08/msg00031.html
- seclists.org20191104 [slackware-security] libtiff (SSA:2019-308-01)https://seclists.org/bugtraq/2019/Nov/5
- packetstormsecurity.comhttp://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.html
- lists.fedoraproject.orgFEDORA-2019-6eeff0f801https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ADNPG7JJTRRK22GUVTAFH3GJ6WGKUZJB/
- lists.fedoraproject.orgFEDORA-2019-e45019c690https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/63BVT6N5KQPHWOWM4B3I7Z3ODBXUVNPS/
- seclists.org20200121 [SECURITY] [DSA 4608-1] tiff security updatehttps://seclists.org/bugtraq/2020/Jan/32
- www.debian.orgDSA-4608https://www.debian.org/security/2020/dsa-4608
- www.debian.orgDSA-4670https://www.debian.org/security/2020/dsa-4670
- lists.opensuse.orgopenSUSE-SU-2020:1561http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.html
- lists.opensuse.orgopenSUSE-SU-2020:1840http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00023.html
07 Fixed in
Debian 12
- tiff Fixed in 4.0.10+git190814-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- tiff Fixed in 4.0.10+git190814-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- tiff Fixed in 4.0.10+git190814-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- tiff Fixed in 4.0.6-1ubuntu0.7
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- tiff Fixed in 4.0.9-5ubuntu0.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- tiff Fixed in 4.0.3-7ubuntu0.11+esm6Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.