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CVE-2017-9937

23
FAUCET Score

CVE-2017-9937 is a memory allocation failure vulnerability in LibTIFF version 4.0.8, specifically within the tif_jbig.c component, affecting libtiff products. This vulnerability allows an unauthenticated, remote attacker to trigger a denial of service by enticing a user to open a specially crafted TIFF document. With a CVSS score of 6.5 (Medium), it has a high impact on availability, but requires user interaction and has low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

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

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
2.96%
Probability of exploitation in next 30 days
EPSS Percentile
85.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0296 is in the 94th percentile among its peer group of 26,221 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-2017-9937Low

libtiff: memory malloc failure in tif_jbig.c could cause DOS.

Jul 11, 2017

References

bugzilla.maptools.org / show_bug.cgi
ExploitIssue TrackingThird Party Advisory
lists.apache.org / thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
securityfocus.com / bid/99304
Third Party AdvisoryVDB Entry