CVE-2017-11571

Publication date 23 July 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

FontForge 20161012 is vulnerable to a stack-based buffer overflow in addnibble (parsettf.c) resulting in DoS or code execution via a crafted otf file.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
fontforge	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Ignored end of life
	17.04 zesty	Ignored end of life
	16.04 LTS xenial	Fixed 20120731.b-7.1ubuntu0.1
	14.04 LTS trusty	Fixed 20120731.b-5ubuntu0.1

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.8 · High

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	7.8 · High
Exploitability score	-
Impact score	-

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

References

Related Ubuntu Security Notices (USN)

USN-3409-1
FontForge vulnerabilities
4 September 2017