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CVE-2018-17101

29
FAUCET Score

CVE-2018-17101 is a high-severity vulnerability affecting LibTIFF 4.0.9 and various Debian/Ubuntu Linux distributions, stemming from two out-of-bounds write flaws in the cpTags function within tiff2bw.c and pal2rgb.c. This vulnerability can be triggered by a specially crafted image file, leading to a denial of service through an application crash and potentially other unspecified impacts. With a CVSS score of 8.8 (High), it requires user interaction (UI:R) but can be exploited remotely over the network (AV:N). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
4.0.9CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.16%
Probability of exploitation in next 30 days
EPSS Percentile
86.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0316 is in the 86th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libtiff-0:4.0.3-32.el7
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mingw-libtiff
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libtiff
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libtiff
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: compat-libtiff3
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libtiff

Vendor Advisories (1)

redhatCVE-2018-17101Low

libtiff: Two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c

Sep 16, 2018

References

bugzilla.maptools.org / show_bug.cgi
Issue TrackingPatchThird Party Advisory
access.redhat.com / errata/RHSA-2019:2053
gitlab.com / libtiff/libtiff/merge_requests/33/diffs
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2018/10/msg00019.html
Mailing ListThird Party Advisory
usn.ubuntu.com / 3864-1
Third Party Advisory
usn.ubuntu.com / 3906-2
debian.org / security/2018/dsa-4349
Third Party Advisory
securityfocus.com / bid/105370
Third Party AdvisoryVDB Entry