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CVE-2019-7663

18
FAUCET Score

CVE-2019-7663 is an invalid address dereference vulnerability in LibTIFF 4.0.10, specifically affecting the tiffcp utility. This flaw allows remote attackers to trigger a denial-of-service condition by providing a specially crafted TIFF file, impacting products from Canonical, Debian, LibTIFF, and openSUSE. The vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited over a network with low attack complexity and no privileges required, but user interaction is necessary. The primary impact is high availability loss, with no confidentiality or integrity impact. Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. The vulnerability has received minimal community discussion and media coverage, suggesting low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.10CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:4.0.10:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
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

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.37%
Probability of exploitation in next 30 days
EPSS Percentile
87.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0337 is in the 94th percentile among its peer group of 26,236 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2019-7663

libtiff: integer overflow in libtiff/tif_dirwrite.c resulting in an invalid pointer dereference

Dec 18, 2018

References

bugzilla.maptools.org / show_bug.cgi
ExploitIssue TrackingPatchThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-04/msg00041.html
Mailing ListThird Party Advisory
gitlab.com / libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2019/02/msg00026.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202003-25
usn.ubuntu.com / 3906-1
Third Party Advisory
usn.ubuntu.com / 3906-2
Third Party Advisory
debian.org / security/2020/dsa-4670