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CVE-2017-13727

21
FAUCET Score

CVE-2017-13727 is a reachable assertion abort vulnerability in LibTIFF 4.0.8, specifically within the TIFFWriteDirectoryTagSubifd() function, affecting products like libtiff. This flaw allows a remote attacker to trigger a denial of service by providing a specially crafted input. Rated Medium with a CVSS score of 6.5, it requires user interaction and has a high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.8CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:4.0.8:*:*:*:*:*:*:*

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
2.25%
Probability of exploitation in next 30 days
EPSS Percentile
81.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0225 is in the 91st percentile among its peer group of 26,236 CVEs.

Social Chatter

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 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-2017-13727Low

libtiff: Reachable assertion abort in the function TIFFWriteDirectoryTagSubifd()

Aug 21, 2017

References

bugzilla.maptools.org / show_bug.cgi
Issue TrackingThird Party Advisory
usn.ubuntu.com / 3602-1
debian.org / security/2018/dsa-4100
securityfocus.com / bid/100524