CVE-2018-19210
In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.
02 Description
In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.
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
- 3.61% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.9% 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:3.0/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
- Low. 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
- 2018-11-12 19:00Z7 YR AGO
- Last updated
- 2024-08-05 11:30Z2 YR AGO
- Reserved
- 2018-11-12
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 0d1d5a0787eb95dbbe8374508c1ddcad554db31a690ed591b609fe5e4287e243
05 Affected products
06 References
- www.securityfocus.com105932http://www.securityfocus.com/bid/105932
- usn.ubuntu.comUSN-3906-1https://usn.ubuntu.com/3906-1/
- lists.debian.org[debian-lts-announce] 20190218 [SECURITY] [DLA 1680-1] tiff security updatehttps://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
- bugzilla.maptools.orghttp://bugzilla.maptools.org/show_bug.cgi?id=2820
- lists.opensuse.orgopenSUSE-SU-2019:1161http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- lists.fedoraproject.orgFEDORA-2019-fa3e40f00ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TX5UEYHGMTNEHJB4FHE7HCJ75UQDNKGB/
- lists.fedoraproject.orgFEDORA-2019-70d89f8806https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6IL2QFKE6MGVUTOPU2UUWITTE36KRDF/
- 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
- security.gentoo.orgGLSA-202003-25https://security.gentoo.org/glsa/202003-25
- www.debian.orgDSA-4670https://www.debian.org/security/2020/dsa-4670
07 Fixed in
Debian 12
- tiff Fixed in 4.0.10-4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- tiff Fixed in 4.0.10-4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- tiff Fixed in 4.0.10-4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- tiff Fixed in 4.0.3-7ubuntu0.11
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- tiff Fixed in 4.0.6-1ubuntu0.6
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 4.0.9-5ubuntu0.2
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.