Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-11571

25
FAUCET Score

CVE-2017-11571 describes a stack-based buffer overflow vulnerability in FontForge 20161012, specifically within the addnibble function in parsettf.c. This flaw allows an attacker to achieve denial of service or arbitrary code execution by tricking a user into opening a specially crafted otf file. With a CVSS score of 7.8 (High), it presents a significant risk due to its potential for high impact on confidentiality, integrity, and availability, requiring user interaction but with low attack complexity. Despite its severity, 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
20161012CPE matchmatch criteria
cpe:2.3:a:fontforge:fontforge:20161012:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.44%
Probability of exploitation in next 30 days
EPSS Percentile
70.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0144 is in the 69th percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: fontforge
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: fontforge

Vendor Advisories (1)

redhatCVE-2017-11571Low

fontforge: Stack-buffer overflow in addnibble function

Jun 14, 2017

References

github.com / fontforge/fontforge/issues/3087
Issue TrackingPatchThird Party Advisory
debian.org / security/2017/dsa-3958