Home/CVE/uiutil.c in FontForge through 20170731 does not validate strings before launching the program specified by the BROWSER e
CVE

CVE-2017-17521

uiutil.c in FontForge through 20170731 does not validate strings before launching the program specified by the BROWSER e

uiutil.c in FontForge through 20170731 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL, a different vulnerability than CVE-2017-17534.

HIGH · CVSS 8.8 EPSS 0.00693
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
▤

Affected Products & Versions

1
fontforge<= 20170731
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Dec 2017 · 04:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
suse-csafSUSE-SU-2025:1199-1
suse-csafopenSUSE-SU-2025:14981-1
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security-tracker.debian.org/tracker/CVE-2017-17521Issue TrackingThird Party Advisory
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