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CVE-2018-8905

28
FAUCET Score

CVE-2018-8905 describes a heap-based buffer overflow in LibTIFF version 4.0.9, specifically within the LZWDecodeCompat function in tif_lzw.c, triggered by a specially crafted TIFF file. This vulnerability affects products from vendors such as Canonical, Debian, LibTIFF itself, and Red Hat. With a CVSS score of 8.8 (High), it presents a significant risk, allowing for potential remote code execution or denial of service with high impact on confidentiality, integrity, and availability, requiring user interaction to trigger. Despite its severity, there is no evidence of active exploitation (KEV: No), nor are there public exploits available in Metasploit, Nuclei, or ExploitDB, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.9CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
3.10%
Probability of exploitation in next 30 days
EPSS Percentile
86.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0310 is in the 86th percentile among its peer group of 14,855 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libtiff-0:4.0.3-32.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libtiff

Vendor Advisories (1)

redhatCVE-2018-8905Low

libtiff: heap-based buffer overflow in tif_lzw.c:LZWDecodeCompat() allows for denial of service

Mar 17, 2018

References

bugzilla.maptools.org / show_bug.cgi
ExploitIssue TrackingThird Party Advisory
access.redhat.com / errata/RHSA-2019:2053
Third Party Advisory
github.com / halfbitteam/POCs/tree/master/libtiff-4.08_tiff2ps_heap_overflow
ExploitThird Party Advisory
gitlab.com / libtiff/libtiff/commit/58a898cb4459055bb488ca815c23b880c242a27d
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2018/05/msg00008.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2018/05/msg00009.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2018/07/msg00002.html
Mailing ListThird Party Advisory
usn.ubuntu.com / 3864-1
Third Party Advisory
debian.org / security/2018/dsa-4349
Third Party Advisory