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CVE-2017-11576

20
FAUCET Score

CVE-2017-11576 is a denial-of-service vulnerability affecting FontForge 20161012. It stems from a memcpy call with a negative size in the readcfftopdict function, triggered by a specially crafted OTF file. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction, and leading to high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this CVE.

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

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
49.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0071 is in the 56th percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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

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-2017-11576Low

fontforge: Does not ensure a positive size in a weight vector memcpy call in readcfftopdict function

Jun 14, 2017

References

github.com / fontforge/fontforge/issues/3091
Issue TrackingPatchThird Party Advisory
debian.org / security/2017/dsa-3958