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CVE-2017-5563

23
FAUCET Score

CVE-2017-5563 is a high-severity heap-based buffer over-read vulnerability in LibTIFF version 4.0.7, specifically within the tif_lzw.c component, affecting the bmp2tiff tool. This flaw can be triggered remotely with low attack complexity by a user opening a specially crafted BMP image, potentially leading to denial of service or arbitrary code execution. While the CVSS score is 8.8, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.7CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:4.0.7:*:*:*:*:*:*:*

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
3.30%
Probability of exploitation in next 30 days
EPSS Percentile
87.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0330 is in the 86th percentile among its peer group of 14,852 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Vendor Patches (4)

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 7Fixed in: libtiff

Vendor Advisories (1)

redhatCVE-2017-5563Moderate

libtiff: Heap-buffer overflow in LZWEncode tif_lzw.c

Jan 18, 2017

References

bugzilla.maptools.org / show_bug.cgi
Issue Tracking
security.gentoo.org / glsa/201709-27
usn.ubuntu.com / 3606-1
securityfocus.com / bid/95705
Third Party AdvisoryVDB Entry