Description
figlet.js is a FIG driver written in JavaScript that aims to implement the FIGfont specification. Prior to 1.11.3, text() and textSync() can enter an unbounded loop when whitespaceBreak is enabled and width is smaller than the rendered width of a single FIGlet character. Under these conditions, breakWord() cannot find a valid break point and returns without consuming a character, so generateFigTextLines() repeatedly processes the same input while consuming CPU and growing memory. The non-default option and attacker-controlled width must both reach an affected call. This issue is fixed in version 1.11.3.
Published: 2026-10-01
Score: 8.2 High
EPSS: < 1% Very Low
KEV: No
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Remediation

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History

Fri, 02 Oct 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Patorjk
Patorjk figlet.js
Vendors & Products Patorjk
Patorjk figlet.js

Thu, 01 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 01 Oct 2026 20:45:00 +0000

Type Values Removed Values Added
Description figlet.js is a FIG driver written in JavaScript that aims to implement the FIGfont specification. Prior to 1.11.3, text() and textSync() can enter an unbounded loop when whitespaceBreak is enabled and width is smaller than the rendered width of a single FIGlet character. Under these conditions, breakWord() cannot find a valid break point and returns without consuming a character, so generateFigTextLines() repeatedly processes the same input while consuming CPU and growing memory. The non-default option and attacker-controlled width must both reach an affected call. This issue is fixed in version 1.11.3.
Title figlet is vulnerable to denial of service via unbounded loop when whitespaceBreak is used with a small width
Weaknesses CWE-835
References
Metrics cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Patorjk Figlet.js
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-10-01T20:40:30.208Z

Reserved: 2026-09-23T16:25:20.414Z

Link: CVE-2026-96780

cve-icon Vulnrichment

Updated: 2026-10-01T20:40:25.340Z

cve-icon NVD

Status : Deferred

Published: 2026-10-01T21:17:26.207

Modified: 2026-10-02T18:47:49.947

Link: CVE-2026-96780

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-02T14:47:22Z

Weaknesses
  • CWE-835

    Loop with Unreachable Exit Condition ('Infinite Loop')