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CVE-2017-9815

22
FAUCET Score

CVE-2017-9815 is a denial-of-service vulnerability affecting LibTIFF 4.0.7 and related Canonical products, stemming from a memory leak within the TIFFReadDirEntryLong8Array function when processing a crafted file. Rated 6.5 Medium, this vulnerability requires user interaction (UI:R) and can be triggered remotely (AV:N), leading to high availability impact (A:H). There is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.7CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:4.0.7:*:*:*:*:*:*:*
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
1.58%
Probability of exploitation in next 30 days
EPSS Percentile
72.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0158 is in the 85th percentile among its peer group of 26,234 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 (3)

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: libtiff

Vendor Advisories (1)

redhatCVE-2017-9815Low

libtiff: Memory leak in the TIFFReadDirEntryLong8Array function

Jun 22, 2017

References

bugzilla.maptools.org / show_bug.cgi
Issue TrackingThird Party Advisory
somevulnsofadlab.blogspot.jp / 2017/06/libtiffmemory-leak-in-tiffmalloc.html
Third Party Advisory
usn.ubuntu.com / 3602-1
Third Party Advisory
securityfocus.com / bid/99235
Third Party AdvisoryVDB Entry